crazy

[krey-zee] / ˈkreɪ zi /

ADJECTIVE

mentally strange

Synonyms

STRONGEST

insane kooky mad nuts nutty silly wacky

STRONG

ape berserk cuckoo lunatic potty psycho screwball

WEAK

barmy bats in the belfry batty bonkers cracked crazed daft delirious demented deranged dingy dippy erratic flaky flipped flipped-out freaked-out fruity idiotic mad as a March hare mad as a hatter maniacal mental moonstruck nutty as fruitcake of unsound mind out of one's mind out of one's tree out to lunch round the bend screw loose screwy touched unbalanced unglued unhinged unzipped

Antonyms

STRONGEST

balanced calm collected rational reasonable sane sound

WEAK

realistic responsible sensible

ADJECTIVE

unrealistic, fantastic

Synonyms

STRONGEST

absurd bizarre foolish goofy insane irresponsible ludicrous odd outrageous preposterous ridiculous silly strange weird

STRONG

eccentric loony wild

WEAK

balmy beyond all reason cockeyed derisory fatuous foolhardy half-baked harebrained idiotic ill-conceived impracticable imprudent inane inappropriate nonsensical out of all reason peculiar puerile quixotic senseless short-sighted unworkable

Antonyms

STRONGEST

logical normal rational reasonable sensible usual

WEAK

balanced believeable realistic responsible sane

ADJECTIVE

infatuated, in love

Synonyms

STRONGEST

hysterical mad passionate

STRONG

eager keen wild

WEAK

ardent beside oneself devoted enamored fanatical smitten zealous

Antonyms

STRONGEST

unenthusiastic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Even if you don't know anything about basketball, you kind of get into that atmosphere, that vibe. People go crazy, basically."

From Barron's • Jun. 7, 2026

“NIL so crazy you a think this a wedding lol,” one user wrote.

From The Wall Street Journal • Jun. 6, 2026

"I'm Romanian and Craciun in Romanian actually means Christmas - isn't that crazy?" he said.

From BBC • Jun. 6, 2026

Bettencourt, chair of the Senate Committee on Local Government, later defended the letter in an interview, arguing Texas could not allow counties to block growth with “a crazy patchwork quilt” of regulations.

From Salon • Jun. 6, 2026

I kept my chatting to a minimum for the rest of that day, lest I drove my aunt crazy with conversation until she marched me back to the orphan asylum.

From "The Detective's Assistant" by Kate Hannigan

crazy

Example Sentences

Related Words