Synonyms of fool in English:


See definition of fool


1‘you've acted like a complete fool’


idiot, ass, halfwit, nincompoop, blockhead, buffoon, dunce, dolt, ignoramus, cretin, imbecile, dullard, moron, simpleton, clod

informal dope, ninny, chump, dimwit, goon, dumbo, dummy, dum-dum, dumb-bell, loon, jackass, bonehead, fathead, numbskull, dunderhead, chucklehead, knucklehead, muttonhead, pudding-head, thickhead, wooden-head, airhead, pinhead, lamebrain, pea-brain, birdbrain, zombie, jerk, nerd, dipstick, donkey, noodle

British informal nit, nitwit, numpty, twit, clot, goat, plonker, berk, prat, pillock, wally, git, wazzock, divvy, nerk, dork, twerp, charlie, mug, muppet

Scottish informal nyaff, balloon, sumph, gowk

Irish informal gobdaw

North American informal schmuck, bozo, boob, lamer, turkey, schlepper, chowderhead, dumbhead, goofball, goof, goofus, galoot, lummox, klutz, putz, schlemiel, sap, meatball, gink, cluck, clunk, ding-dong, dingbat, wiener, weeny, dip, simp, spud, coot, palooka, poop, squarehead, yo-yo, dingleberry

Australian NZ informal drongo, dill, alec, galah, nong, bogan, poon, boofhead

US informal wing nut

South African informal mompara

British vulgar slang knobhead

North American vulgar slang asshat

archaic tomfool, noddy, clodpole, loggerhead, spoony, mooncalf

2‘she always makes a fool of him’


laughing stock, dupe, butt, gull, pushover, easy mark, tool, cat's paw

informal stooge, sucker, mug, fall guy

North American informal sap

3‘the fool in King James's court’


jester, court jester, clown, buffoon, comic, joker, jokester, zany, merry andrew

historical wearer of the motley, harlequin, Pierrot, Punchinello, Pantaloon


1‘he found he'd been fooled by a schoolboy’


deceive, trick, play a trick on, hoax, dupe, take in, mislead, delude, hoodwink, bluff, beguile, gull, make a fool of, outwit

swindle, defraud, cheat, double-cross

informal con, bamboozle, pull a fast one on, pull someone's leg, take for a ride, pull the wool over someone's eyes, throw dust in someone's eyes, put one over on, have on, diddle, fiddle, swizzle, rip off, do, sting, gyp, shaft

British informal sell a pup to

North American informal sucker, snooker, stiff, euchre, bunco, hornswoggle

Australian informal pull a swifty on

rare cozen, sharp, mulct

2‘she screamed but they thought she was fooling’


pretend, make believe, feign, put on an act, act, sham, fake, counterfeit

tease, joke, jest, play tricks, clown about, clown around, play the fool

informal kid, mess about, mess around

British informal wind someone up, have someone on, muck someone about, muck someone around

3‘she fooled around with a bunch of keys while she spoke’


fiddle, play, play about, play around, toy, trifle, meddle, tamper, interfere, monkey about, monkey around

informal mess about, mess around

British informal muck about, muck around

4‘my husband's been fooling around behind my back’


philander, womanize, flirt, have an affair, commit adultery

informal play around, mess about, mess around, carry on, play the field, play away, sleep around, swing

informal, vulgar slang screw around

informal, rare coquet