Something that is bad is unpleasant, harmful, or undesirable.
The bad weather conditions prevented the plane from landing.
We have been going through a bad time.
I've had a bad day at work.
Divorce is bad for children.
Analysts fear the situation is even worse than the leadership admits.
2. adjective
You use bad to indicate that something unpleasant or undesirable is severe or great in degree.
He had a bad accident two years ago and had to give up farming.
This was a bad case of dangerous driving.
The pain is often so bad she wants to scream.
The floods are described as the worst in nearly fifty years.
Synonyms: severe, serious, terrible, acute More Synonyms of bad
3. adjective [usually ADJECTIVE noun]
A bad idea, decision, or method is not sensible or not correct.
As a carbon-reduction measure this is not necessarily a bad idea.
Of course politicians will sometimes make bad decisions.
That's not a bad way to proceed, just somewhat different.
The worst thing you can do is underestimate an opponent.
Synonyms: poor, unwise, unsound More Synonyms of bad
4. adjective [usually ADJECTIVE noun]
If you describe a piece of news, an action, or a sign as bad, you mean that it is unlikely to result in benefit or success.
The closure of the project is bad news for her staff.
It was a bad start in my relationship with Warr.
The report couldn't have come at a worse time for the European Commission.
Synonyms: unfavourable, troubling, distressing, unfortunate More Synonyms of bad
5. adjective
Something that is bad is of an unacceptably low standard, quality, or amount.
She was in rather a bad film about the Mau Mau.
Many old people in Britain are living in bad housing.
The state schools' main problem is that teachers' pay is so bad.
It was absolutely the worst food I have ever had.
Synonyms: inferior, poor, inadequate, pathetic More Synonyms of bad
6. adjective [ADJECTIVE noun]
Someone who is badat doing something is not skilful or successful at it.
He had increased Britain's reputation for being bad at languages. [+ at]
He was a bad driver.
Rose was a poor cook and a worse mother.
Synonyms: incompetent, poor, useless [informal], crap [slang] More Synonyms of bad
7. adjective [verb-link ADJECTIVE]
If you say that it is bad that something happens, you mean it is unacceptable, unfortunate, or wrong.
Not being able to hear doesn't seem as bad as not being able to see.
You need at least ten pounds if you go to the cinema nowadays–it's really bad.
Synonyms: grim, severe, hard, tough More Synonyms of bad
8. adjective [with neg]
You can say that something is not bad to mean that it is quite good or acceptable, especially when you are rather surprised about this.
'How much is he paying you?'—'Oh, five thousand.'—'Not bad.'
'How are you, mate?'—'Not bad, mate, how's yourself?'
He's not a bad chap–quite human for an accountant.
That's not a bad idea.
9. adjective
A bad person has morally unacceptable attitudes and behaviour.
I've made mistakes, but I'm not a bad person.
He does not think that his beliefs make him any worse than any other man.
Synonyms: wicked, criminal, evil, corrupt More Synonyms of bad
badnessuncountable noun
They only recognise badness when they perceive it in others.
Synonyms: wickedness, wrong, evil, corruption More Synonyms of bad
10. adjective
A bad child disobeys rules and instructions or does not behave in a polite and correct way.
You are a bad boy for repeating what I told you.
Many parents find it hard to discourage bad behaviour.
Synonyms: naughty, defiant, perverse, wayward More Synonyms of bad
11. adjective [usually ADJECTIVE noun]
If you are in a bad mood, you are angry and behave unpleasantly to people.
She is in a bit of a bad mood because she's just given up smoking.
Synonyms: foul, irritable, grotty More Synonyms of bad
12. adjective [oft ADJECTIVE that]
If you feelbadabout something, you feel rather sorry or guilty about it.
You don't have to feel bad about relaxing. [+ about]
I feel bad that he's doing most of the work.
Are you trying to make me feel bad?
Synonyms: guilty, sorry, ashamed, apologetic More Synonyms of bad
13. adjective [usually ADJECTIVE noun]
If you have a bad back, heart, leg, or eye, it is injured, diseased, or weak.
Alastair has a bad back so we have a hard bed.
Synonyms: injured, damaged, diseased, hurt More Synonyms of bad
14. adjective [usu goADJ, oft ADJECTIVE noun]
Food that has gonebad is not suitable to eat because it has started to decay.
They bought so much meat that some went bad.
Synonyms: rotten, off, rank, sour More Synonyms of bad
15. adjective [usually ADJECTIVE noun]
Bad language is language that contains offensive words such as swear words.
I don't like to hear bad language in the street.
I said a bad word.
Synonyms: offensive, nasty, insulting, disgusting More Synonyms of bad
16. See also worse, worst
17.
See too bad
18.
See too bad
19.
See in a bad way
20.
See a bad word to say about sb
21. to make the best of a bad job
22. bad blood
23. to be in someone's bad books
24. bad luck
25. to get a bad press
26. to go from bad to worse
More Synonyms of bad
bad in British English1
(bæd)
adjectiveWord forms: worse or worst
1.
not good; of poor quality; inadequate; inferior
bad workmanship
bad soil
bad light for reading
2. (often foll by at)
lacking skill or talent; incompetent
a bad painter
bad at sports
3. (often foll by for)
harmful
bad air
smoking is bad for you
4.
immoral; evil
a bad life
5.
naughty; mischievous; disobedient
a bad child
6.
rotten; decayed; spoiled
a bad egg
7.
severe; intense
a bad headache
8.
incorrect; wrong; faulty
bad pronunciation
9.
ill or in pain (esp in the phrase feel bad)
10.
regretful, sorry, or upset (esp in the phrase feel bad about)
11.
unfavourable; distressing
bad news
a bad business
12.
offensive; unpleasant; disagreeable
bad language
bad temper
13.
not valid or sound; void
a bad cheque
14.
not recoverable
a bad debt
15. Word forms: badder or baddest slang
good; excellent
16. go bad
17. go from bad to worse
18. in a bad way
19. in someone's bad books
20. make the best of a bad job
21. not bad
22. not half bad
23. too bad
noun
24.
unfortunate or unpleasant events collectively (often in the phrase take the bad with the good)
25.
an immoral or degenerate state (often in the phrase go to the bad)
26.
the debit side of an account
£200 to the bad
27. my bad
adverb
28. not standard
badly
to want something bad
Derived forms
baddish (ˈbaddish)
adjective
badness (ˈbadness)
noun
Word origin
C13: probably from bæd-, as the first element of Old English bǣddel hermaphrodite
bad in British English2
(bæd)
verb
a variant of bade
bad in American English1
(bæd)
adjectiveWord forms: worse or worst
1.
a.
not good; not as it should be
a bad attitude, a bad deal
b.
defective in quality; below standard; inadequate
bad plumbing
2.
showing a lack of talent, judgment, aptitude, skill, etc.
a bad painting, a bad writer
3.
not pleasant; unfavorable; disagreeable
bad news
4.
rotten; spoiled
a bad apple
5.
incorrect; faulty; erroneous
bad spelling
6.
a.
wicked; immoral
b.
not behaving properly; mischievous
7.
causing injury; harmful
bad for one's health
8.
severe
a bad storm
9.
ill; in poor health
10.
sorry; distressed
he feels bad about it
see also badly
11.
offensive; disgusting
a bad smell
12.
unpaid and not collectible
a bad debt
13. Law
defective; not valid; void
a bad title
14. Word forms: ˈbadder or ˈbaddest US, Slang
very good, stylish, effective, etc.
adverbWord forms: worse or worst
15. Informal
badly
noun
16.
anything that is bad; bad quality or state
17.
wickedness
Idioms:
go to the bad
in bad
not bad
the bad
SYNONYMY NOTE: bad1, in this comparison, is the broadest term, ranging in implication from merely unsatisfactoryto utterly depraved; , evil, wicked connote willful violation of a moral code, but , evil often has ominous or malevolent implications [an evil hour], and wicked is sometimes weakened in a playful way to mean mischievous [wicked wit]; ill1, which is slightly weaker than , evil in its implications of immorality, is now used chiefly in certain idiomatic phrases[ill-gotten gains]; naughty today implies mere mischievousness or disobedience [a naughty child]
OPPOSITES: good, moral
Derived forms
badness (ˈbadness)
noun
Word origin
ME bad, badde < ? OE bæddel, hermaphrodite
bad in American English2
(bæd)
verb transitive, verb intransitive
1. Archaic
bid1
2. Obsolete
bide
More idioms containing
bad
be in someone's bad books
bad blood
a bad apple
turn up like a bad penny
get a bad press
something leaves a bad taste in your mouth
throw good money after bad
Examples of 'bad' in a sentence
bad
Over the years conflicting studies have suggested that high heels are both bad and good for health.
Times, Sunday Times (2016)
Just how bad will it get there?
The Sun (2016)
My marriage was in a bad way at the time.
The Sun (2017)
These expensive tests are a bad idea for two reasons.
Times, Sunday Times (2016)
Their bad backs could yet amount to very good news indeed.
Times, Sunday Times (2016)
Most people sail through the test with 80 per cent saying that they felt no pain and at worst mild discomfort.
Times, Sunday Times (2017)
It was a pretty bad experience, a couple of us didn't want to play.
The Sun (2016)
We ourselves are often guilty of worse idleness.
Christianity Today (2000)
We both feel bad but we cannot stay apart.
The Sun (2014)
This proved to be a very bad idea.
Times, Sunday Times (2013)
You deserve to have something very bad happen to you.
The Sun (2010)
Made a bad investment and want to point the finger?
Times, Sunday Times (2007)
Things could go from bad to worse.
Times, Sunday Times (2012)
What will they do when it gets really bad?
Times, Sunday Times (2008)
The apprehended man came off rather worse.
The Sun (2011)
Our superior cognition merely makes things worse for us than for other natural animals.
The Times Literary Supplement (2010)
Letting people down is so much worse than being shouted at.
Times, Sunday Times (2010)
Things is going pretty bad out there.
Iain Gale Man of Honour (2007)
We had a real bad week to finish up with.
Times, Sunday Times (2014)
You go through your career and have good stuff and bad stuff.
The Sun (2010)
These aches and pains are usually worse in the cold.
The Sun (2007)
These people are in a bad way.
Edward Beauclerk Maurice THE LAST OF THE GENTLEMEN ADVENTURERS: Coming of Age in the Arctic (2004)
This is as bad as it gets.
The Sun (2006)
Or can these misunderstandings be put down to the language barrier or bad translators?
Times, Sunday Times (2015)
The downturn could not have come at a worse time.
Times, Sunday Times (2007)
That is how bad it has become.
The Sun (2007)
Tottenham were the worst side with just one win and four defeats.
Times, Sunday Times (2009)
The worst simply mean an impulse buy and an extra card in your wallet.
Times, Sunday Times (2011)
This makes me feel bad about quirky.
Times, Sunday Times (2012)
Surprisingly, visiting his old neighbourhood did not bring back bad memories.
Times, Sunday Times (2016)
Quotations
When I'm good, I'm very, very good, but when I'm bad I'm betterMae WestI'm No Angel
In other languages
bad
British English: bad /bæd/ ADJECTIVE
unpleasant Something that is bad is not nice or good.
The weather is bad today.
American English: bad
Arabic: سَيِّء
Brazilian Portuguese: mau
Chinese: 劣质的
Croatian: loš
Czech: špatný
Danish: dårlig
Dutch: slecht
European Spanish: malo
Finnish: huono
French: mauvais
German: schlecht
Greek: κακός
Italian: cattivo
Japanese: 悪い
Korean: 나쁜
Norwegian: dårlig
Polish: zły niedobry
European Portuguese: mau
Romanian: rău
Russian: плохой
Latin American Spanish: malo
Swedish: dålig
Thai: เลว
Turkish: kötü
Ukrainian: поганий
Vietnamese: tồi
British English: bad /bæd/ ADJECTIVE
wicked Someone who is bad does things they should not do.
I'm not a bad person.
American English: bad
Arabic: رَدِيء
Brazilian Portuguese: mau
Chinese: 坏的人
Croatian: loš
Czech: zlobivý
Danish: slem
Dutch: slecht
European Spanish: malo
Finnish: paha
French: mauvais
German: schlecht
Greek: κακός
Italian: cattivo
Japanese: 悪い
Korean: 안 좋은
Norwegian: slem
Polish: zły
European Portuguese: mau
Romanian: rău
Russian: плохой
Latin American Spanish: malo
Swedish: dålig
Thai: เลว
Turkish: kötü
Ukrainian: шкідливий
Vietnamese: xấu
All related terms of 'bad'
bid
A bid for something or a bid to do something is an attempt to obtain it or do it.
go bad
to putrefy ; spoil
in bad
in trouble
my bad
my fault or mistake
bad egg
a bad person
Bad Ems
a town in W Germany, in the Rhineland-Palatinate : famous for the Ems Telegram (1870), Bismarck's dispatch that led to the outbreak of the Franco-Prussian War. Pop: 9666 (2003 est)
bad guy
A bad guy is a person in a story or film who is considered to be evil or wicked , or who is fighting on the wrong side . You can also refer to the bad guys in a situation in real life .
bad man
the devil
bad off
badly off; poor
bad rap
slang See bum rap
big bad
(esp in science fiction and online gaming) an evil and powerful adversary
not bad
passable ; fair ; fairly good
the bad
those who are wicked
too bad
If you say that it is too bad that something is the case , you mean you are sorry or sad that it is the case.
bad apple
a person with a corrupting influence
bad back
A person's or animal's back is the part of their body between their head and their legs that is on the opposite side to their chest and stomach .
bad bank
a financial institution set up to hold and manage underperforming assets owned by other banks
bad blood
If you say that there is bad blood between people, you mean that they have argued about something and dislike each other.
bad case
A particular case is a particular situation or incident , especially one that you are using as an individual example or instance of something.
bad check
A bad check is a check that will not be paid because there is a mistake on it, or because there is not enough money in the account of the person who wrote the check.
bad debt
A bad debt is a sum of money that has been lent but is not likely to be repaid .
bad dream
A dream is an imaginary series of events that you experience in your mind while you are asleep .
bad faith
intention to deceive ; treachery or dishonesty (esp in the phrase in bad faith )
bad form
If you say that it is bad form to behave in a particular way, you mean that it is rude and impolite .
bad habit
A habit is something that you do often or regularly.
bad idea
An idea is a plan , suggestion , or possible course of action.
Bad Lands
a deeply eroded barren region of SW South Dakota and NW Nebraska
bad light
If something is presented in a particular light , it is presented so that you think about it in a particular way or so that it appears to be of a particular nature.
bad luck
You can say ' Bad luck ', or ' Hard luck ', to someone when you want to express sympathy to them.
bad mood
Your mood is the way you are feeling at a particular time. If you are in a good mood , you feel cheerful . If you are in a bad mood , you feel angry and impatient .
bad-mouth
If someone bad-mouths you, they say unpleasant things about you, especially when you are not there to defend yourself.
bad news
someone or something regarded as undesirable
bad place
A place is any point, building, area, town, or country.
bad seed
a person who is seen as being congenitally disposed to wrongdoing and likely to be a bad influence on others
bad trip
a mentally or physically horrifying drug-taking experience, as one accompanied by nightmarish hallucinations or by physical pain
bad trot
a period of ill fortune
feel-bad
causing or characterized by feelings of unhappiness or depression
a bad lot
an unpleasant or disreputable person
bad breath
halitosis
bad cheque
A bad cheque is a bank cheque that will not be paid because there is a mistake on it, or because there is not enough money in the account of the person who wrote the cheque.
bad mester
a term for the devil , used when speaking to children
Bad Godesberg
a town and spa in W Germany , in North Rhine-Westphalia on the Rhine : a SE suburb of Bonn
bad-mannered
having bad manners; impolite
bad publicity
Publicity is information or actions that are intended to attract the public's attention to someone or something.
bad-tempered
Someone who is bad-tempered is not very cheerful and gets angry easily .
a bad apple
a dishonest , immoral , or unpleasant person who has a bad influence on those around them
a bad patch
a difficult or troubled time
a bad penny
an objectionable person or thing (esp in the phrase turn up like a bad penny )
bad cholesterol
a lipoprotein that is the form in which cholesterol is transported in the bloodstream to the cells and tissues of the body. High levels of low-density lipoprotein in the blood are associated with atheroma
bad hair day
People sometimes say they are having a bad hair day when they do not feel very happy or relaxed , especially because their hair does not look good .