Synonyms of kooky

kooky

adjective

ˈkü-kē 

variants also kookie

1

as in bizarre

different from the ordinary in a way that causes curiosity or suspicion

I'm not sure that someone with such kooky ideas on biology should be teaching the subject to high schoolers

Synonyms & Similar Words

• bizarre
• funny
• strange
• weird
• odd
• curious
• peculiar
• eccentric
• erratic
• crazy
• remarkable
• unusual
• quirky
• wacky
• off-the-wall
• abnormal
• unique
• offbeat
• funky
• outlandish
• screwy
• kinky
• quaint
• wild
• queer
• unconventional
• outré
• out-of-the-way
• weirdo
• far-out
• way-out
• cranky
• uncommon
• outrageous
• off-kilter
• bizarro
• rare
• rum
• queerish
• extraordinary
• spaced-out
• freaky
• fantastic
• outstanding
• freakish
• flaky
• freak
• aberrant
• shocking
• out-there
• prominent
• atypical
• phantasmagoric
• striking
• noticeable
• idiosyncratic
• phenomenal
• conspicuous
• notable
• singular
• salient
• puzzling
• unorthodox
• perplexing
• unwonted
• baffling
• nonconformist
• crotchety
• confounding
• addlepated
• atrocious
• mystifying
• bewildering
• uncustomary
• nonmainstream

Antonyms & Near Antonyms

• normal
• typical
• usual
• ordinary
• standard
• average
• prosaic
• conservative
• routine
• everyday
• garden
• commonplace
• conventional
• unremarkable
• familiar
• unexceptional
• run-of-the-mill
• predictable
• workaday
• common
• regular
• conformist
• frequent
• customary
• expected
• habitual
• knee-jerk
• wonted

2

as in silly

showing or marked by a lack of good sense or judgment

a kooky bicyclist who stubbornly refuses to wear a helmet

that was a kooky thing to do

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

Example Sentences

Recent Examples of kooky

What better way to do so than to remember Samson’s kooky girlfriend from college who was into competitive duck herding? — Judith Martin, Mercury News, 4 Sep. 2026

Stockard Channing and Dianne Wiest are back, too, as their kooky aunts, while Kidman’s character is now the kooky aunt to Bullock’s on-screen daughters, Joey King and Maisie Williams. — Jack Smart, PEOPLE, 1 Sep. 2026

For the kooky, mischievous and not-often-sober Shifty Gruff, Sheen was always the number one choice. — Lily Ford, HollywoodReporter, 14 Aug. 2026

The actor debuted a promotional photo shoot in support of his new movie Digger that gives a closer look at his kooky oil tycoon character from Alejandro González Iñárritu‘s upcoming satire. — Wesley Stenzel, Entertainment Weekly, 15 July 2026