Synonyms of fool

fool 1 of 3

noun

ˈfül 

1

as in lunatic

a person who lacks good sense or judgment

only a fool would attempt to climb that mountain unprepared

Synonyms & Similar Words

• lunatic
• idiot
• moron
• goose
• maniac
• nut
• simpleton
• jackass
• loser
• ninny
• cuckoo
• simp
• doofus
• nutcase
• booby
• monkey
• nitwit
• dingbat
• turkey
• nincompoop
• charlie
• dipstick
• berk
• half-wit
• ninnyhammer
• mooncalf
• git
• dummy
• featherhead
• ding-dong
• nit
• dolt
• daredevil
• madman
• imbecile
• donkey
• ding-a-ling
• dunce
• ignoramus
• blockhead
• know-nothing
• yo-yo
• knucklehead
• dupe
• goon
• numskull
• dope
• pinhead
• chump
• airhead
• dork
• schnook
• fathead
• schlub
• scatterbrain
• mockery
• laughingstock
• character
• gander
• dodo
• weirdo
• kook
• butt
• birdbrain
• schlump
• featherbrain
• codger
• crank
• dumbbell
• schlemiel
• stock
• crackpot
• screwball
• oddball
• crackbrain

Antonyms & Near Antonyms

• brain
• genius
• sage
• thinker

2

as in clown

a person formerly kept in a royal or noble household to amuse with jests and pranks

a king's fool could get away with saying things that others in the palace couldn't

Synonyms & Similar Words

• clown
• harlequin
• jester
• joker
• comedian
• buffoon
• motley
• jokester
• wag
• comic
• droll
• madcap
• comedienne
• vice
• zany
• mime
• cutup
• merry-andrew
• mummer

3

as in sucker

a person with a strong and habitual liking for something

I'm a fool for ice cream

Synonyms & Similar Words

• sucker
• lover
• fan
• enthusiast
• maniac
• freak
• fanatic
• addict
• fiend
• admirer
• buff
• hound
• junkie
• nut
• devotee
• fancier
• bug
• aficionado
• collector
• authority
• supporter
• friend
• proponent
• expert
• head
• maven
• groupie
• amateur
• habitué
• connoisseur
• dilettante
• disciple
• advocate
• exponent
• promoter
• champion
• follower
• convert
• apostle
• zealot
• votary
• evangelist
• partisan
• adherent
• patron
• booster
• hanger-on
• cultist
• faddist
• backer
• well-wisher
• rooter

Antonyms & Near Antonyms

• critic
• detractor
• nonfan
• belittler
• carper
• nonadmirer

fool

2 of 3

adjective

as in foolish

showing or marked by a lack of good sense or judgment

he's always got some fool plan or other

Synonyms & Similar Words

• foolish
• stupid
• silly
• mad
• insane
• absurd
• crazy
• idiotic
• dumb
• lunatic
• irrational
• simple
• unwise
• ridiculous
• loony
• witless
• daft
• cuckoo
• simpleminded
• weak-minded
• unreasonable
• weak
• fatuous
• nonsensical
• dippy
• brainless
• zany
• out to lunch
• nutty
• wacko
• inept
• wacky
• asinine
• daffy
• crackpot
• preposterous
• senseless
• slow
• kooky
• unreasoning
• crackbrained
• screwball
• gaga
• harebrained
• loony tunes
• sappy
• jerky
• dotty
• tomfool
• imbecile
• batty
• barmy
• moronic
• balmy
• half-witted
• cockeyed
• clueless
• half-baked
• bubbleheaded
• thoughtless
• lunkheaded
• meshuga
• unintelligent
• feebleminded
• doltish
• featherheaded
• unreasoned
• dull
• thickheaded
• brain-dead
• dopey
• fruity
• pinheaded
• empty-headed
• obtuse
• mindless
• illogical
• vacuous
• dim
• oafish
• lamebrain
• dunderheaded
• dense
• softheaded
• fallacious
• ludicrous
• opaque
• dorky
• invalid
• laughable
• gormless
• dim-witted
• farcical
• clownish
• soft
• thick
• surd
• nonrational
• slow-witted
• chuckleheaded
• airheaded
• unsound
• knuckleheaded
• buffoonish
• notional
• boobish
• birdbrained
• chowderheaded
• ill-advised
• unconsidered

Antonyms & Near Antonyms

• wise
• sound
• prudent
• sensible
• sane
• intelligent
• clever
• smart
• judicious
• reasonable
• bright
• sagacious
• rational
• valid
• sage
• logical
• sapient
• brainy
• well-advised

fool

3 of 3

verb

1

as in to deceive

to cause to believe what is untrue

I fooled him into thinking that we were driving to the store, not to his surprise birthday party

Synonyms & Similar Words

• deceive
• trick
• mislead
• delude
• tease
• kid
• dupe
• sucker
• misguide
• hoodwink
• bluff
• misinform
• bamboozle
• beguile
• humbug
• hoax
• cheat
• gull
• suck in
• con
• cozen
• spoof
• sting
• hornswoggle
• catch
• snow
• juggle
• gaff
• fake out
• buffalo
• snooker
• burn
• string along
• take in
• have on
• have
• gammon
• do a number on
• pull one's leg
• lead one down the garden path
• defraud
• stick
• put on
• swindle
• shortchange
• pull the wool over one's eyes
• flimflam
• hustle
• diddle
• bleed
• rook
• fleece
• mulct
• euchre
• squeeze
• skin
• chisel

Antonyms & Near Antonyms

• undeceive
• reveal
• expose
• tell
• show up
• unmask
• uncover
• debunk
• disclose
• divulge
• unveil
• disabuse
• disillusion
• uncloak
• disenchant

2

as in to joke

to make jokes

an edgy comedian fooling with an appreciative college audience

Synonyms & Similar Words

• joke
• fun
• jest
• kid
• quip
• jolly
• banter
• jive
• tease
• wisecrack
• amuse
• crack wise
• jape
• ridicule
• chaff
• gag
• rag
• josh
• jeer
• mock
• entertain
• yuk
• parody
• gibe
• caricature
• razz
• satirize
• haze
• rib
• rally
• lampoon
• divert

Example Sentences

Recent Examples of fool

Noun

Defense lawyers are expected to argue that the pitchers did not collude with gamblers and instead were varying the placement of pitches strategically to fool batters. — ABC News, 2 Nov. 2026

Watching with the hope that anything serious will ever shift for the central characters is a fool’s errand. — Kathryn Vanarendonk, Vulture, 30 Oct. 2026

Verb

Don’t be fooled by its small stature, because its layout is designed for efficient livability and maximum storage. — Olivia Dubyak, Travel + Leisure, 31 Oct. 2026

His Lieutenant Colonel Nathan Jessep isn’t fooling anyone with the calculated nonchalance and the propensity for quoting Melville and Shakespeare. — Sara Holdren, Vulture, 30 Oct. 2026

Phrases Containing fool

• fool (with)
• fool around