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

Now and Then, to Marnie’s kooky and chaotic mom for four seasons of Lena Dunham’s 2010s HBO hit Girls. — Ilana Kaplan, PEOPLE, 5 May 2026

Polish Public Library Poster, $50 When in doubt, some kooky book-adjacent art will brighten up their new, probably also kooky, apartment. — Lit Hub Approved, Literary Hub, 18 May 2026

Costume designer Lissy Turner drapes Parsons in flowy layers and embroidered velvet, conveying everything the audience needs to know about this woman and her kooky, open-minded beliefs. — Katie Rife, IndieWire, 24 Jan. 2026

The film premieres in theaters on June 26, and the story follows a couple (Wilde and Rogen) who invite their slightly kooky, yet very endearing neighbors (Cruz and Norton) over for a dinner that quickly dissolves into chaos. — Juliana Ukiomogbe, InStyle, 25 June 2026