Thesaurus

Synonyms for Crazy include:

admiring, adoring, affectionate, affectioned, aflutter, agitated, agog, amative, amatory, amok, amorous, amuck, antic, ardent, around the bend, aroused, attached, avid, balmy, barmy, bats, batty, berserk, bonkers, brainsick, buggy, captivated, caressing, caressive, caring, certifiable, certified, charmed, committed, crackbrained, cracked, crackers, crazed, crazy, curious, daft, demented, demoniac, demoniacal, deranged, distracted, disturbed, doting, dotty, drunk, eager, eerie, eery, enamored, enthusiastic, evangelical, evangelistic, excited, exotic, fantastic, fantastical, fatherly, fevered, fey, fond, freaky, fruity, funny, gaga, glowing, gothic, great, grotesque, gung ho, half-baked, half-crazed, haywire, hebephrenic, idiotic, idolatrous, impossible, impractical, in love, infatuated, insane, intoxicated, irrational, kookie, kooky, loco, loony, loopy, lovable, loveable, loverlike, loverly, lovesome, loving, lunatic, mad, maniac, maniacal, manic-depressive, maniclike, mentally ill, meshuga, meshugga, meshugge, meshuggeneh, meshuggener, moonstruck, nervous, non compos mentis, nuts, nutty, odd, oddish, of unsound mind, other, overenthusiastic, overexcited, overfond, paranoid, passionate, peculiar, possessed, psychopathic, psychopathologic, psychopathological, psychotic, quaint, queer, quixotic, raving, raving mad, romantic, round the bend, rum, rummy, schizophrenic, screw-loose, screwball, screwy, sick, singular, smitten, soft on, softheaded, spirited, stimulated, stirred, stirred up, strange, taken with, teased, tender, tenderhearted, thrilled, thrillful, titillated, touched, touchy-feely, unbalanced, unfunctional, unhinged, unrealistic, unreasonable, unsound, unstable, unusual, unwieldy, uxorious, wacky, warm, warmhearted, weird, whacky, wild, wild-eyed, zealous

crazy is a ADJ.

crazy, looney, loony, weirdo

crazy is a NOUN.