crazycra‧zy1 /ˈkreɪzi/ ●●● S2 adjective (comparative crazier, superlative craziest) 
The neighbours must think we’re crazy. It’s an absolutely crazy idea. I know this idea sounds crazy, but it may be worth a try.crazy to do something It’d be crazy to go out in this rain. I must have been crazy to agree to this. He often works 12 hours a day – it’s crazy.► see thesaurus at stupid2crazy about somebody/something liking someone very much, or very interested in something: He’s crazy about her. Dan’s crazy about football.3angry angry or annoyed: Turn that music down. It’s driving me crazy! (=really annoying me) Dad will go crazy when he hears about this.4like crazy very much or very quickly: We’re going to have to work like crazy to get this finished on time.5go crazy to do something too much, in a way that is not usual or sensible, especially because you are excited: Don’t go crazy and spend it all at once.6mentally ill mentally ill SYN mad: I feel so alone, sometimes I wonder if I’m going crazy.—crazily adverb—craziness noun [uncountable]GRAMMARCrazy is not used with ‘very’. You say: · You’d be absolutely crazy to agree. ✗Don’t say: You’d be very crazy to agree.Grammar guide ‒ ADJECTIVESTHESAURUScrazy very strange or not sensible – used about people, ideas, and behaviour: · People think I’m crazy when I start talking about ghosts.· It was a crazy thing to do.mad British English crazy: · Are you mad?· Whose mad idea was that?· At first, everyone thought he was completely mad.nuts informal (also bonkers British English) [not before noun] crazy: · The whole thing sounds completely nuts.· Have you gone bonkers?loony informal crazy: · another loony suggestion· The man is totally loony.insane completely crazy: · I know it sounds insane, but it’s true. → see also mentally ill
EXAMPLES FROM OTHER DICTIONARIES
- crazy drivers who cause accidents
- Anybody who thinks they're a good team is crazy.
- His friends thought he was crazy when he told them he was going to spend his entire vacation exploring a cave.
- I said I enjoyed doing exams, and she looked at me as if I was crazy!
- Ian's got some crazy plan to drive all the way across Africa.
- It's crazy to have an expensive, elaborate judicial system handling parking tickets and minor traffic violations.
- My dad told me I was crazy to leave my job.
- Put that gun down! Are you totally crazy?
- The farmers can make more money by not planting crops - it's crazy, isn't it?
- The farmers get more money from the government if they don't plant crops, and I think that's just crazy.
- We're all grown up, but we still act like a couple of crazy kids.
- Whose crazy idea was it to go camping in January?
- You're crazy to lend him all that money - you'll never get it back.
- You're crazy to think of hitch-hiking on your own.
- You agreed to marry him? Are you crazy?
- You see drivers do some crazy things.
- Being wild, crazy and self-empowered became a theme of the group.
- Carmen told Murray, and Murray went crazy.
- Don Jose had gone crazy and been unable to finish this colossal project.
- He spends most of the day in his room writing letters - crazy, mad letters no one understands.
- I know I went crazy at first but I got better.
- Sounds a little crazy, but it was quite a relief at the time to be able to switch my miseries around.
- The biggest influence, believe it or not, was the Weatherman and crazy left-wing guerrilla spirit of the time.
- They probably thought I was crazy all along.
THESAURUS
very strange or not sensible – used about people, ideas, and behaviour: · People think I’m crazy when I start talking about ghosts.· It was a crazy thing to do.
British English crazy: · Are you mad?· Whose mad idea was that?· At first, everyone thought he was completely mad.
informal (also bonkers British English) [not before noun] crazy: · The whole thing sounds completely nuts.· Have you gone bonkers?
informal crazy: · another loony suggestion· The man is totally loony.
completely crazy: · I know it sounds insane, but it’s true.
→ see also mentally illLongman Language Activatorpeople someone who is crazy does things that are extremely strange or stupid: · My dad told me I was crazy to leave my job.· You agreed to marry him? Are you crazy?· crazy drivers who cause accidents· His friends thought he was crazy when he told them he was going to spend his entire vacation exploring a cave.completely/totally crazy: · Put that gun down! Are you totally crazy?crazy to do something: · You're crazy to lend him all that money - you'll never get it back.
also be crackers British spoken informal to be crazy: · People will think you're crackers if you go around talking to yourself like that.· The guy's completely nuts! He goes around in nothing but a pair of shorts in the middle of winter.
British spoken crazy: · You spent $190 on a pair of shoes? You must be mad!completely mad/barmy: · Monica's new boyfriend is completely barmy. He calls her almost every day from Australia.mad/barmy to do something: · She's mad to turn down an offer like that.· I must have been mad to let myself become involved with someone like Dennis.
especially spoken you say someone is insane or out of their mind if they do something or intend to do something that is completely crazy: · Anyone who would take a boat out in this weather must be insane.· Tell the police? Are you out of your mind?
say this when you think someone is crazy because they have done something that you do not approve of or agree with: · A man who would give his fourteen-year-old son a motorcycle has obviously taken leave of his senses.· If you ask me, anyone who believes in UFOs needs their head examined.
informal also dotty/batty British informal crazy - use this to describe someone, especially an old person, who behaves in a slightly strange but often amusing way: · Grandma can act kind of nutty at times.· My uncle frequently wore shoes which didn't match, and everyone thought he was a bit dotty.· Next door to us lived a batty old lady who used to have long conversations with her plants.
informal someone who is out to lunch or out of their tree behaves in a strange, confused way and does not seem to know what is happening around them: · Our English teacher's really out to lunch -- the class started five weeks ago and she hasn't even asked our names yet.· He is quoted as saying privately that he thinks the former prime minister is 'out of her tree'.
especially American, informal someone who seems unable to think clearly or do what they should do, and behaves in a strange but often amusing way: · Christy was kind of flaky, but everyone liked her.· You couldn't trust Sam to do anything important. He was too flaky.
also be a couple of cans short of a six-pack/be a few clowns short of a circus etc strange and slightly crazy: · I always thought Toby was one sandwich short of a picnic. Do you remember how he would sometimes work naked in the garden? · Come on. Let's face it - nobody trusts the guy because he's at least one clown short of a circus.
informal slightly crazy, often in an amusing way: · "Fernando can be really weird sometimes." "Yeah, he's got a screw loose, no question."
crazy things/ideas/situations also mad British especially spoken ideas, actions, or situations that are crazy or mad are not at all sensible and are likely to cause problems or danger: · Jade wants to build a swimming pool in the garden, which I think is a mad idea.· You see drivers do some crazy things.it's/that's crazy: · It's crazy to have an expensive, elaborate judicial system handling parking tickets and minor traffic violations.· The farmers get more money from the government if they don't plant crops, and I think that's just crazy.
especially American, spoken crazy and making no sense, especially in an amusing way: · She has these screwy theories about how crystals can cure all kinds of illnesses.· Warren Brigs, president of the Illinois State Chamber of Commerce, calls the proposal a "screwy idea".
something that is insane is completely crazy, because it cannot possibly succeed or is very dangerous: · For some insane reason he decided to do the whole journey in one day.it is insane to do something: · It would be insane to try to go camping in this kind of weather.
behaviour that it is completely crazy: · Coppola's film shows the madness of war.it's madness/lunacy: · They can't build a motorway through all that beautiful parkland -- it's madness!it is madness/lunacy to do something: · It is madness for a country to spend that much on its military.
to start to feel crazy because you are extremely bored, worried, etc also go mad British informal to start feeling as if you are crazy, especially when you are in a very unpleasant or very boring situation: · I wouldn't last a month in a desk job. I'd just go crazy.· I'd go nuts if I had to get up that early every morning.· If the neighbors don't turn down that music, I'm going to go mad.
to become unable to think clearly or sensibly, especially because you are extremely bored or worried: · If I have to wait in one more line, I'm going to go out of my mind.· I'm with the kids all day, and I feel like I'm losing my mind.
British /go around the bend American informal to start feeling as if you are crazy, for example because you have so much work to do, you are extremely worried about something, or you hate the situation you are in so much: · I had such a heavy workload last semester that I almost went round the bend.· We hadn't heard from our daughter in days, and we were practically going round the bend.
to start to behave in a crazy and excited way also go mad British to start behaving in a crazy, uncontrolled way, especially when you are very excited: · The fans went crazy when the band came onto the stage.· During Carnival the entire city goes crazy for a week.· As soon as the dog hears anyone at the door he goes completely nuts.· When Italy scored the winning goal the crowd went mad.
to suddenly start behaving in an extremely wild, violent, and often frightening way: · When they tried to arrest him, he suddenly went berserk.· She went berserk and began shouting at everybody on the platform.
to make someone feel crazy to make someone feel crazy or behave in a crazy way: · I've just got to get another job -- this one's driving me nuts.· I can't wait to get my exam results. All this waiting is driving me insane.· I hate doing crossword puzzles -- they drive me mad.· Those kids are enough to drive anyone crazy. I'll be glad when they go back to school.
especially British, informal if something such as a lot of work, worry, or doing something you hate drives you round the bend or drives you round the twist , it makes you feel completely crazy: · I have so much to do at the moment. It's driving me round the twist.· She was really glad when she gave up teaching. It was driving her right round the bend.
to make someone feel crazy, especially by repeatedly doing something annoying: · Can you turn down that TV? It's driving me up the wall!· I love my husband, but he's driving me up the wall.
a crazy person · A lot of people think he's a complete nut, but he's actually quite harmless.· The woman sounds like a real nut.somebody is some kind/type of nut · He started asking me a lot of questions about my personal life. I think the guy's some kind of nut.
someone who behaves in a crazy and often amusing way and who has strange ideas: · Our old maths teacher was a real nutcase -- he used to eat chalk because he said it was good for your bones.a bunch of loonies: · In the 1960s, people thought that vegetarians were a bunch of loonies.
especially spoken someone who behaves in a stupidly dangerous way: · Ken drives like a maniac.· Some lunatic threw a can of lighter fluid on the fire.
British informal someone who has strange ideas or who behaves in a strange and often frightening way: · Sometimes you get these nutters calling you at 3 o'clock in the morning.· Burns can be a nutter - especially when he's had a few drinks.complete nutter: · He's a complete nutter. He's got no sense whatsoever.
to like something very much especially spoken to like something very much. Adore is stronger but less common than love: · We had a great time at Disneyland. The kids loved it.· I adore chocolate -- I could live on it.love/adore doing something: · The older men loved hearing about Russ's success on the football field.· Jessie adored being the centre of attention.
also be mad about something British informal to be extremely interested in an activity and spend a lot of time doing it or watching it: · Jonah's crazy about basketball.· She's always been mad about horses.
to like something very much, especially something that you own or use, so that you would be upset if you lost it: · Mom gets very attached to her pets.· Casey had become quite attached to the comforts of his London home.
to like an activity very much, because it gives you a lot of pleasure or excitement: · From a very early age he had a passion for fast cars.· To be a great performer, you have to work very hard and have a passion for the music you play.
to enjoy doing something so much that you do it, watch it etc as often as you can and feel that you cannot stop doing it: · My son's addicted to computer games - he hardly ever comes out of his room.be addicted: · I started watching the show out of curiosity, but now I'm addicted!
to love someone especially in a sexual or romantic way to have a strong feeling of liking someone, caring about them, and being sexually attracted to them: · He stroked her hair and murmured, "I love you."· He was the only man she had ever loved.love somebody very much: · We still love each other very much.
to love someone very much, so that you think about them all the time and want to be with them all the time: · I think I'm in love!be in love with: · How can you marry Adam when you're in love with someone else?be madly in love/very much in love (=very strongly in love): · We were both seventeen and madly in love.
informal to love someone very much, especially in a way that you cannot control: · Jo's crazy about you.
British spoken to be sexually attracted to someone, especially someone that you do not know very well: · All the girls fancy Bob.· I think Stevie fancies you.
if someone, especially a young person, has a crush on someone they have an uncontrollable feeling of love for them, especially when there is no chance of having a relationship with them: · It is quite normal for adolescents to have crushes on pop stars.· The only reason I went to church every Sunday was that I had a crush on the minister.
to have a strong and uncontrollable feeling of love for someone you do not know very well, which does not last for a long time: · Ever since she met Rod at a party she's been totally infatuated.be infatuated with: · Teenage girls sometimes become infatuated with their teachers.
to be so much in love with someone that you do not behave sensibly or think clearly: · She was too besotted to see what he was really like.be besotted with: · He was obviously besotted with Julia.
very stupid not at all sensible or reasonable, especially in an annoying or shocking way : · I said I enjoyed doing exams, and she looked at me as if I was crazy!· Ian's got some crazy plan to drive all the way across Africa.· The farmers can make more money by not planting crops - it's crazy, isn't it?· You're crazy to think of hitch-hiking on your own.
something that is ridiculous or absurd is so stupid that you can hardly believe that it has been done, said etc: · I've never heard anything so ridiculous! Of course I haven't been trying to avoid you!· an absurd suggestion· This is ridiculous. You've only known him three days, and you're going on holiday with him!· It's absurd to think Porter flew into a murderous rage just because he had an argument with his girlfriend.patently ridiculous/absurd (=used to emphasize that something is very ridiculous indeed): · This patently absurd argument is often used by anti-gay groups.
completely unreasonable or unsuitable: · The telephone lines are only open during office hours, which is ludicrous in this day and age.· She wears short skirts and dyes her hair pink, which looks ludicrous on a woman her age.
so stupid and unbelievable that it makes you want to laugh: · The government's attempt to privatize the prison service has been simply laughable.· It would be laughable if it wasn't so serious.
very stupid and likely to involve unnecessary risks and dangers: · Wyatt was nearly killed as a result of that idiotic stunt.· If that wasn't idiotic enough, the company went on to sack fifty percent of its skilled workers, replacing them with untrained apprentices.
: hare-brained scheme/plan etc a plan that is very stupid and cannot possibly be successful: · Alice had to figure out how to pay the rent after Ralph spent the money on another of his hare-brained schemes.
: inane remark/comment/conversation etc stupid and completely meaningless: · Penny began an inane conversation about the book she was reading to fill the silence.· Bad acting, weak script and inane dialogue -- this movie is truly awful.
WORD SETSagoraphobia, nounagoraphobic, noun-aholic, suffixanalyse, verbanalysis, nounanalyst, nounanorexia, nounantidepressant, nounautism, nounbattle fatigue, nounbehaviourism, nounbreakdown, nounbulimia, nouncatharsis, nouncertify, verbclaustrophobia, nouncognition, nouncognitive, adjectivecomplex, nouncompulsive, adjectivecounsel, verbcounselling, nouncrazed, adjectivecrazy, adjectivedefence mechanism, noundelusion, noundemented, adjectivedementia, noundenial, noundepressed, adjectivedepression, noundepressive, adjectivedepressive, nounderanged, adjectivediminished responsibility, noundipsomaniac, noundisordered, adjectivedisturbance, noundysfunctional, adjectiveeating disorder, nouneccentricity, nounego, nounelectric shock therapy, nounemotional, adjectiveexhibitionism, nounextra-sensory perception, nounfixation, nounFreudian, adjectiveFreudian slip, noungroup therapy, nounhallucinate, verbhydrophobia, nounhypnosis, nounhypnotic, adjectivehypnotise, verbhypnotist, nounhypnotize, verbid, nouninferiority complex, nouninsane, adjectiveinsanity, nounkleptomania, nounkleptomaniac, nounlibido, nounlinear, adjectivemaladjusted, adjectivemania, nounmanic, adjectivemanic depression, nounmanic depressive, nounmental, adjectivemental age, nounmental hospital, nounmentally handicapped, adjectivemidlife crisis, nounmisogynist, nounmixed up, adjectivenerve, nounnervous, adjectivenervous breakdown, nounnervous system, nounneural, adjectiveneuro-, prefixneurology, nounneurosis, nounneurotic, adjectiveobsessive, nounoedipal, adjectiveOedipus complex, nounpadded cell, nounparanoia, nounparanoid, adjectivepathological, adjectivepathology, nounpatterning, nounphallic, adjectivephobia, noun-phobia, suffixphrenology, nounpost-traumatic stress disorder, nounprecognition, nounpsyche, nounpsychiatric, adjectivepsychiatrist, nounpsychiatry, nounpsychic, adjectivepsycho, nounpsycho-, prefixpsychoanalysis, nounpsychoanalyst, nounpsychoanalyze, verbpsychobabble, nounpsychodrama, nounpsychokinesis, nounpsychological, adjectivepsychologist, nounpsychology, nounpsychopath, nounpsychosis, nounpsychosomatic, adjectivepsychotherapy, nounpsychotic, adjectivepyromaniac, nounrepression, nounresidential treatment facility, nounRorschach test, nounsadism, nounsadist, nounsafety valve, nounsanity, nounscar, nounscar, verbschizoid, adjectiveschizophrenia, nounschizophrenic, adjectiveschizophrenic, nounscrewed up, adjectivesocialize, verbsociopath, nounsplit personality, nounsubconscious, adjectivesubconscious, nounsuggestion, nounsuperego, nountherapy, nountorment, nountrance, nountrauma, nounvoyeur, nounwell-adjusted, adjective
COLLOCATIONS FROM THE ENTRY It’s an absolutely crazy idea. I know this idea sounds crazy, but it may be worth a try. He often works 12 hours a day – it’s crazy. Turn that music down. It’s driving me crazy! (=really annoying me) Dad will go crazy when he hears about this. I feel so alone, sometimes I wonder if I’m going crazy.COLLOCATIONS FROM OTHER ENTRIES I’m going to go stir-crazy if I don’t get out of this house. Donny could be wild and crazy.COLLOCATIONS FROM THE CORPUSADVERB
It’s an absolutely crazy idea. I know this idea sounds crazy, but it may be worth a try. He often works 12 hours a day – it’s crazy. Turn that music down. It’s driving me crazy! (=really annoying me) Dad will go crazy when he hears about this. I feel so alone, sometimes I wonder if I’m going crazy. spoken (also drive somebody nuts spoken informal) (=make someone feel very annoyed)· The continuous noise was driving me crazy.
(=make someone feel very sexually excited)· He drives women wild.
· The idea sounded crazy to me.· Camping in the middle of winter was a ridiculous idea!· He had the crazy idea of hitchhiking around South America.
I’m going to go stir-crazy if I don’t get out of this house. Donny could be wild and crazy.· It sounds crazy - as crazy as Steve Martin used to be.· Instead he whined and complained-which over the long run drove me almost as crazy.· In the book I argue that it's not as crazy as people think it is.· He was just as crazy as she was if push came to shove.
· Punters are just crazy about penny shares, and their blindness, some might argue, is only too readily exploited.· By the time we got him home he was just crazy as hell.· Half the time they're just crazy instruments that don't have a name.· I was just crazy about him.· It would have been asking for trouble, just crazy, to put Last Resort on the clapperboard.· And the thing is that it was just crazy!· You're going to be just crazy about her.· And it's obvious that he is just crazy about you, honey.
· Angie was very loud at the time and being really crazy, so we all got on famously.· With Minna, we thought things would run smoothly, but then Zbigniew did a really crazy thing.· Then they got really crazy and they were trying to get David's movie camera and to arrest us all.
· Maybe Lou's notion wasn't so crazy after all.· The one who was so crazy about music.· I was scared to move, he's obviously so crazy about all that stuff.
NOUN· It was a crazy idea, but it was all he had at the moment.· That very, very crazy idea.· Maybe she should postpone the whole crazy idea - or better still, drop it altogether.· If a bold conjecture is falsified, then all that is learnt is that yet another crazy idea has been proved wrong.· What a crazy idea, picnicking up a mountain at this time of year.· The Father General and the asteroid and the plane and all these people working on this crazy idea.
· A crazy man, some one she had never seen before, took a shot at her from a rooftop.· The man called after me, as a crazy man would.· Columbus at Isabella's court is quickly burdened with the reputation of a crazy man.· The crazy man had 16 points and should have had 10 more.· The first person to congratulate him was the crazy man.
· We just passed them out to crazy people and artistes and people who were always on the scene in New York.· These sorts of things prompt other crazy people to do crazy things.· But not, know, crazy like the movies paint crazy people.
· Lushes do crazy things sometimes, don't they?· And no one argued with any crazy thing she wanted to do for him.· The next one's a real crazy thing.· McCarthy, you may recall, was the angelic-looking Brat Packer who did that crazy thing with his eyes.· I thought at the time it was a crazy thing to agree to and early events seemed to confirm this.· I was certain that any minute he was going to do some crazy thing to get him up on Disturbed for sure.· You think about crazy things at a time like that.
· Lushes do crazy things sometimes, don't they?· You think about crazy things at a time like that.· These sorts of things prompt other crazy people to do crazy things.· As I watched them, I thought about all the crazy things the people I've grown up with believe and do.· I thought of two or three things crazy things.· I had to do some crazy things to get their attention.· We need conductors who are willing to do wild and crazy things.
· She get up, she get down, she roll, she kick the stomach, like crazy woman.· Does this make her a selfish, stupid, crazy woman?· There was a crazy woman in a cottage.· She was wearing a long white gown, her hair hanging down, like a crazy woman.
· But in the crazy world of intelligence that would not be out of place.· What sort of a crazy world is it?· It's a crazy thought in an increasingly crazy world.· It seemed to me to be a crazy world.· In an attempt to bring some order to this crazy world, two consortiums have been formed.
PHRASES FROM THE ENTRY► crazy about somebody/something
1strange very strange or not sensible SYN mad: - These mosquito bites on my leg are itching like crazy.
- We ran like crazy to the bus stop.
- I didn't need to go crazy.
- My boss told me to leave, and 1 went crazy.
- The Star Council had gone crazy.
- The world was going crazy and, or so it seemed, Trumptonshire would have none of it.
- They went crazy, making all that money.
- To have it happen here, see the fans go crazy.
- You go crazy with the frustration and throw a bad punch and take his counter in your mouth or solar plexus.
- You have to maintain a balance or else you go crazy.
The neighbours must think we’re crazy. It’s an absolutely crazy idea. I know this idea sounds crazy, but it may be worth a try.crazy to do something It’d be crazy to go out in this rain. I must have been crazy to agree to this. He often works 12 hours a day – it’s crazy.► see thesaurus at stupid2crazy about somebody/something liking someone very much, or very interested in something: He’s crazy about her. Dan’s crazy about football.3angry angry or annoyed: Turn that music down. It’s driving me crazy! (=really annoying me) Dad will go crazy when he hears about this.4like crazy very much or very quickly: We’re going to have to work like crazy to get this finished on time.5go crazy to do something too much, in a way that is not usual or sensible, especially because you are excited: Don’t go crazy and spend it all at once.6mentally ill mentally ill SYN mad: I feel so alone, sometimes I wonder if I’m going crazy.—crazily adverb—craziness noun [uncountable]GRAMMARCrazy is not used with ‘very’. You say: · You’d be absolutely crazy to agree. ✗Don’t say: You’d be very crazy to agree.Grammar guide ‒ ADJECTIVESTHESAURUScrazy very strange or not sensible – used about people, ideas, and behaviour: · People think I’m crazy when I start talking about ghosts.· It was a crazy thing to do.mad British English crazy: · Are you mad?· Whose mad idea was that?· At first, everyone thought he was completely mad.nuts informal (also bonkers British English) [not before noun] crazy: · The whole thing sounds completely nuts.· Have you gone bonkers?loony informal crazy: · another loony suggestion· The man is totally loony.insane completely crazy: · I know it sounds insane, but it’s true. → see also mentally ill