know-nothing
noun
know-noth·ing ˈnō-ˌnə-thiŋ 
1
a
: ignoramus
b
: agnostic
2
capitalized K&N : a member of a 19th century secret American political organization hostile to the political influence of recent immigrants and Roman Catholics
know-nothing adjective
Synonyms
- airhead
- birdbrain
- blockhead
- bonehead
- bubblehead
- chowderhead
- chucklehead
- clodpoll
- clodpole
- clot [British]
- cluck
- clunk
- cretin
- cuddy [British dialect]
- cuddie
- deadhead
- dim bulb [slang]
- dimwit
- dip
- dodo
- dolt
- donkey
- doofus [slang]
- dope
- dork [slang]
- dullard
- dum-dum
- dumbbell
- dumbhead
- dummkopf
- dummy
- dunce
- dunderhead
- fathead
- gander
- golem
- goof
- goon
- half-wit
- hammerhead
- hardhead
- idiot
- ignoramus
- imbecile
- jackass
- knucklehead
- lamebrain
- loggerhead [chiefly dialect]
- loon
- lump
- lunkhead
- meathead
- mome [archaic]
- moron
- mug [chiefly British]
- mutt
- natural
- nimrod [slang]
- nincompoop
- ninny
- ninnyhammer
- nit [chiefly British]
- nitwit
- noddy
- noodle
- numskull
- numbskull
- oaf
- pinhead
- prat [British]
- ratbag [chiefly Australian]
- saphead
- schlub [slang]
- shlub
- schnook [slang]
- simpleton
- stock
- stupe
- stupid
- thickhead
- turkey
- woodenhead
- yahoo
- yo-yo
See all Synonyms & Antonyms 
Word History
First Known Use
1812, in the meaning defined at sense 1a
know-nothings
noun
as in idiots
a stupid person often disparaged her coworkers as a bunch of know-nothings Synonyms & Similar Words
Relevance
- idiots
- morons
- lunatics
- stupids
- imbeciles
- prats
- fools
- ignoramuses
- dolts
- dummies
- dimwits
- losers
- knuckleheads
- yahoos
- dullards
- ninnies
- dopes
- boneheads
- numskulls
- dunderheads
- lunkheads
- dunces
- blockheads
- chuckleheads
- cretins
- pinheads
- nitwits
- simpletons
- jackasses
- geese
- numbskulls
- nimrods
- nincompoops
- mutts
- ignorami
- airheads
- loons
- oafs
- hardheads
- bubbleheads
- goons
- dorks
- stupes
- naturals
- doofuses
- donkeys
- schlubs
- meatheads
- deadheads
- jerks
- goofs
- half-wits
- clowns
- ratbags
- chowderheads
- fatheads
- clucks
- ganders
- buffoons
- dumb clucks
- birdbrains
- lamebrains
- shlubs
- noddies
- thickheads
- turkeys
- nuts
- loggerheads
- hammerheads
- dumbheads
- golems
- stocks
- schnooks
- dips
- dum-dums
- cuddies
- noodles
- villains
- momes
- lumps
- madmen
- sapheads
- clunks
- clodpoles
- dodos
- dumbbells
- dim bulbs
- nits
- loonies
- clodpolls
- dufuses
- ninnyhammers
- woodenheads
- dummkopfs
- dodoes
- skunks
- zanies
- clots
- skunk
- snakes
- yo-yos
- boors
- boobies
- scatterbrains
- gawks
- mugs
- beasts
- creeps
- cads
- stinkers
- churls
- curs
- heels
- featherbrains
Antonyms & Near Antonyms
- intellectuals
- geniuses
- brains
- thinkers
- genii
- intellects
- sages
- wizards
- polymaths
- whizzes
- sharpies
- Renaissance men