Synonyms of crazy
120 similar words
Another word for crazy is weird. Other synonyms of crazy are mad, bananas, deranged, distraught and meshugge.
Synonyms and similar words for crazy
adjectiveOf unsound mind; insane; demented.
- 5150 US, slangOf such an unsound mind that one should be involuntarily confined.
- bananasCrazy, mad, nuts.
- barking
- barking madCompletely insane.
- buggishCrazy.
- buggy slangCrazy; bughouse.
- bughouse slangCrazy, insane.
- barmyCrazy, mad; also, eccentric, odd, strange.
- batchy BritishOf unsound mind, crazy; lacking good sense or judgment, silly.
- batpoopToo irrational to be dealt with sanely.
- batsMad, insane.
- battyMad, crazy, silly.
- bonkersMad; crazy.
- bread baskets British
- crackedCrazy; crackpot.
- crackersCrazy, insane.
- cra-cra slang
- cray slangCrazy.
- cray-cray slangCrazy.
- crazed
- crazy as a bedbugUtterly mad; insane.
- crazy as a cootieCompletely crazy; insane.
- crazy as a cootie bugCompletely crazy; insane.
- crazy as a pet coonDemented or crazy.
- cuckooCrazy; not sane.
- daffySomewhat mad or eccentric.
- daftCrazy, insane, mad.
- dementedCrazy; ridiculous.
- derangedInsane.
- distraughtMad; insane.
- disturbed
- doolally BritishEccentric; insane, mad.
- dotty
- eccentric
- fruit loopsCrazy; deranged; fruity.
- gagaCrazy.
- hatstandCrazy, insane.
- harebrained
- insane
- kookyEccentric, strange, or foolish; crazy or insane; kookish.
- loon
- locoCrazy.
- loony
- loony tunesInsane; crazy.
- loopyIdiotic; crazy.
- lunatic
- madInsane; crazy; mentally deranged.
- mentalMentally disordered; insane, mad, crazy.
- mentally illHaving a psychological disorder.
- meshigener
- meshuggeCrazy, mad, senseless, insane.
- nertsCrazy; nuts.
- non compos mentis literaryInsane; not of sound mind; not in control of oneself.
- nonsane
- nucking futs euphemistic, humorousFucking nuts; completely insane.
- nut jobSomeone who is crazy (insane).
- nutballsCrazy, insane, unhinged.
- nutA crazy person.
- nutsCrazy, mad; unusually pleased or, alternatively, angered.
- nutsoCrazy, insane.
- nuttyBarmy: eccentric, odd; crazy, mad, insane.
- nutterAn eccentric, insane, crazy or reckless person.
- off the beamCrazy; insane.
- off the chain
- over the edgeInsane, having lost control.
- potty
- psychoPsychotic, psychopathic, or (broadly) otherwise insane.
- psychoceramicCrackpot.
- psychoticOut of control, bizarre, or crazy.
- sickoCharacterized by depraved tastes or habits; deviant.
- screwyCrazy; silly; ridiculous.
- squirrellyEccentric.
- starkers British
- tonto BritishSynonym of crazy.
- unbalanced
- unsane
- wackadoodleCrazy, irrational, or eccentric.
- weirdHaving an unusually strange character or behaviour.
- whackjobA crazy, possibly dangerous, person.
- whacko
- whacky
- wodeMad, angry, crazy, insane, possessed, rabid, furious, frantic.
- yampy BritishBarmy; mad; daft.
- zany euphemistic
- apeshit
- batcrapToo irrational to be dealt with sanely.
- batshitExtremely irrational or unreasonable, insane, crazy.
- bat-shit
- fucked in the headNot right mentally: perverted, stupid, or mentally ill.
- fucked up
- ripshit
- moonsick obsoleteInsane or emotionally deranged, either temporarily or permanently.
adjectiveVery unexpected; wildly surprising.
nounAn insane or eccentric person; a crackpot.
- basket case
- basket weaver Australia
- crackA crazy or crack-brained person.
- crackpotAn eccentric, crazy or foolish person.
- crazyheadA crazy person; an eccentric.
- dingbat Australia, USA silly, crazy or stupid person.
- fruit and nut case Australia, UK
- fruit cake
- fruit loop Australia, USA gayborhood area of Las Vegas.
- fruitloop Australia, USA crazy person; a lunatic.
- head caseUsed other than figuratively or idiomatically: see head, case.
- kookAn eccentric, strange or crazy person.
- loony tuneA silly or crazy person; a person whose actions are unpredictable and irrational.
- madheadA crazy person.
- mental caseAn insane person; a nutcase.
- nut ball
- nutbarA crazy, eccentric person.
- nutburgerA person considered crazy or eccentric.
- nutcase
- nutjob
- schizoA mad or crazy person.
- screwballOne who behaves in a crazy manner.
- space cadet
- space pilot Australia
- unconventional euphemisticSomething or someone that is unconventional.
- wackadooA crazy person; wacko.
- wackoAn amusingly eccentric or irrational person.
Meaning of crazy
- adjective Of unsound mind; insane; demented.
- adjective Out of control.
- adjective Very excited or enthusiastic.
crazy in other languages
Questions about synonyms of crazy
Source and license
Adapted from Wiktionary: crazy (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this page: “Synonyms of crazy.” Word.ws, https://word.ws/synonyms/crazy. Based on Wiktionary, CC BY-SA 4.0.