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craziest

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

believeable realistic responsible sensible smart

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

careful logical normal rational reasonable regular sensible serious usual wise

WEAK

balanced believeable realistic responsible sane smart

ADJECTIVE

infatuated, in love

Synonyms

STRONGEST

hysterical mad passionate

STRONG

eager keen wild

WEAK

ardent beside oneself devoted enamored fanatical smitten zealous

Antonyms

STRONGEST

calm happy unenthusiastic

WEAK

balanced believeable dislike hate realistic reasonable responsible sane sensible smart

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.

To break that down, eight Democrats and two Republicans are running in the primary, and here’s the craziest thing about that:

From Los Angeles Times • Mar. 26, 2026

"He said I was the only one who said no to him and because all the others just wanted his money, they would say yes to the craziest projects," she recalls.

From BBC • Feb. 1, 2026

The craziest thing about Mendoza’s run was that Miami had beaten him up all night long.

From The Wall Street Journal • Jan. 20, 2026

It was a thrilling finish that only added to what’s shaping up as the craziest postseason in history.

From The Wall Street Journal • Jan. 12, 2026

"Oh my God, Mouse? He's the craziest of them all. He's always got a hammer or a jackrabbit or something stuck in his back pocket, and he refuses to wear a shirt."

From "Eleanor & Park" by Rainbow Rowell