Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun crazy

1 sense of crazy

Sense 1
crazy, loony, looney, nutcase, weirdo -- (someone deranged and possibly dangerous)
       => lunatic, madman, maniac -- (an insane person)

Antonyms of adj crazy

5 senses of crazy

Sense 1
brainsick, crazy, demented, disturbed, mad, sick, unbalanced, unhinged -- (affected with madness or insanity; "a man who had gone mad")

INDIRECT (VIA insane) -> sane -- (mentally healthy; free from mental disorder; "appears to be completely sane")

Sense 2
crazy, half-baked, screwball, softheaded -- (foolish; totally unsound; "a crazy scheme"; "half-baked ideas"; "a screwball proposal without a prayer of working")

INDIRECT (VIA impractical) -> practical -- (concerned with actual use or practice; "he is a very practical person"; "the idea had no practical application"; "a practical knowledge of Japanese"; "woodworking is a practical art")

Sense 3
crazy -- (possessed by inordinate excitement; "the crowd went crazy"; "was crazy to try his new bicycle")

INDIRECT (VIA excited) -> unexcited -- (not excited; "made an unexcited appraisal of the situation")

Sense 4
crazy -- (bizarre or fantastic; "had a crazy dream"; "wore a crazy hat")

INDIRECT (VIA strange) -> familiar -- (within normal everyday experience; common and ordinary; not strange; "familiar ordinary objects found in every home"; "a familiar everyday scene"; "a familiar excuse"; "a day like any other filled with familiar duties and experiences")

Sense 5
crazy, wild, dotty, gaga -- (intensely enthusiastic about or preoccupied with; "crazy about cars and racing"; "he is potty about her")

INDIRECT (VIA enthusiastic) -> unenthusiastic -- (not enthusiastic; lacking excitement or ardor; "an unenthusiastic performance by the orchestra"; "unenthusiastic applause")

Similarity of adj crazy

5 senses of crazy

Sense 1
brainsick, crazy, demented, disturbed, mad, sick, unbalanced, unhinged -- (affected with madness or insanity; "a man who had gone mad")
       => insane (vs. sane) -- (afflicted with or characteristic of mental derangement; "was declared insane"; "insane laughter")

Sense 2
crazy, half-baked, screwball, softheaded -- (foolish; totally unsound; "a crazy scheme"; "half-baked ideas"; "a screwball proposal without a prayer of working")
       => impractical (vs. practical) -- (not practical; not workable or not given to practical matters; "refloating the ship proved impractical because of the expense"; "he is intelligent but too impractical for commercial work"; "an impractical solution")

Sense 3
crazy -- (possessed by inordinate excitement; "the crowd went crazy"; "was crazy to try his new bicycle")
       => excited (vs. unexcited) -- (in an aroused state)

Sense 4
crazy -- (bizarre or fantastic; "had a crazy dream"; "wore a crazy hat")
       => strange (vs. familiar), unusual -- (being definitely out of the ordinary and unexpected; slightly odd or even a bit weird; "a strange exaltation that was indefinable"; "a strange fantastical mind"; "what a strange sense of humor she has")

Sense 5
crazy, wild, dotty, gaga -- (intensely enthusiastic about or preoccupied with; "crazy about cars and racing"; "he is potty about her")
       => enthusiastic (vs. unenthusiastic) -- (having or showing great excitement and interest; "enthusiastic crowds filled the streets"; "an enthusiastic response"; "was enthusiastic about taking ballet lessons")