Synonyms of wacko

wacko 1 of 2

adjective

ˈwa-(ˌ)kō 

variants also whacko

as in insane

having or showing a very abnormal or sick state of mind

a completely wacko obsession with cleaning

Synonyms & Similar Words

• insane
• psychotic
• crazy
• lunatic
• looney
• whacky
• loony
• psycho
• crazed
• irrational
• deranged
• demented
• maniac
• nutty
• mad
• maniacal
• mental
• crackpot
• unhinged
• nuts
• kooky
• wacky
• disturbed
• batty
• certifiable
• cuckoo
• screwy
• daffy
• meshuga
• unbalanced
• haywire
• around the bend
• kookie
• obsessed
• moonstruck
• daft
• unreasonable
• loony tunes
• bedlam
• barmy
• bonkers
• strange
• non compos mentis
• crackbrained
• gaga
• cracked
• out to lunch
• scatty
• loco
• paranoid
• bughouse
• meshuggah
• meshugah
• looney tunes
• bats
• unsound
• eccentric
• meshugge
• brainsick
• paranoic
• cranky
• loopy
• fruity
• neurotic
• odd
• schizophrenic
• paranoiac
• delusional
• crackers
• wud
• schizoid
• hysteric
• depressed
• oddball
• balmy
• delusionary
• sociopathic
• paranoidal
• obsessive-compulsive
• out of one's mind
• off one's rocker
• aberrant
• off one's gourd
• dotty
• foolish
• delirious
• hysterical
• off one's head
• disordered
• tetched
• out of one's head
• fey
• nuclear
• berserk
• off
• ballistic
• pixillated
• witless
• pixilated
• queer
• touched
• frantic
• potty
• amuck
• raving
• wigged-out
• ape
• monomaniacal
• distraught
• senseless
• monomaniac
• amok
• teched
• fixated
• frenzied
• distracted
• bananas

Antonyms & Near Antonyms

• sane
• sound
• reasonable
• balanced
• rational
• clear
• normal
• wise
• lucid
• sensible
• compos mentis
• judicious
• uncrazy
• healthy
• well-adjusted
• unneurotic

wacko

2 of 2

noun

variants also whacko

as in lunatic

a person having or showing a severely disordered or abnormal state of mind

just a wacko talking to himself

Synonyms & Similar Words

• lunatic
• psycho
• fool
• maniac
• bug
• psychopath
• crazy
• loony
• schizo
• nut
• nutcase
• loon
• sicko
• nutter
• fruitcake
• patient
• madman
• psychotic
• fantastic
• head case
• paranoid
• abnormal
• madwoman
• sickie
• crackbrain
• character
• deviant
• weirdo
• neurotic
• schizophrenic
• crackpot
• kook
• monomaniac
• obsessive
• sociopath
• eccentric
• schizoid
• manic-depressive
• oddball
• screwball
• crank
• psychoneurotic
• zany
• flake
• codger
• original
• obsessive-compulsive
• case
• tike
• quiz
• oddity
• mythomaniac
• tyke
• schizophrene
• crack

Examples of wacko in a Sentence

Recent Examples on the Web

Adjective

That’s because parents and coaches in the wacko worlds of youth hockey, basketball, soccer and football can be world-class jerks. —Washington Post, 6 Dec. 2021

Was Tuesday wacko day for testimony in the Statehouse? —Laura Johnston, cleveland, 25 Aug. 2021

Noun

Now, all those wackos who’ve been writing to me with their problems can write to her. —Rick Kogan, chicagotribune.com, 28 June 2018

At the very least, in a game that has known a lot of eccentrics LaVar has put himself in the running for the greatest wacko. —Mark Heisler, Orange County Register, 12 May 2017