'Crazy' definitions:

Definition of 'crazy'

(from WordNet)
adjective
Affected with madness or insanity; "a man who had gone mad" [syn: brainsick, crazy, demented, disturbed, mad, sick, unbalanced, unhinged]
adjective
Foolish; totally unsound; "a crazy scheme"; "half-baked ideas"; "a screwball proposal without a prayer of working" [syn: crazy, half-baked, screwball, softheaded]
adjective
Possessed by inordinate excitement; "the crowd went crazy"; "was crazy to try his new bicycle"
adjective
Bizarre or fantastic; "had a crazy dream"; "wore a crazy hat"
adjective
Intensely enthusiastic about or preoccupied with; "crazy about cars and racing"; "he is potty about her" [syn: crazy, wild, dotty, gaga]
noun
Someone deranged and possibly dangerous [syn: crazy, loony, looney, nutcase, weirdo]

Definition of 'Crazy'

From: GCIDE
  • Crazy \Cra"zy\ (kr[=a]"z[y^]), a. [From Craze.]
  • 1. Characterized by weakness or feebleness; decrepit; broken; falling to decay; shaky; unsafe. [1913 Webster]
  • Piles of mean andcrazy houses. --Macaulay. [1913 Webster]
  • One of great riches, but a crazy constitution. --Addison. [1913 Webster]
  • They . . . got a crazy boat to carry them to the island. --Jeffrey. [1913 Webster]
  • 2. Broken, weakened, or dissordered in intellect; shattered; demented; deranged. [1913 Webster]
  • Over moist and crazy brains. --Hudibras. [1913 Webster]
  • 3. Inordinately desirous; foolishly eager. [Colloq.] [1913 Webster]
  • The girls were crazy to be introduced to him. --R. B. Kimball. [1913 Webster]
  • Crazy bone, the bony projection at the end of the elbow (olecranon), behind which passes the ulnar nerve; -- so called on account of the curiously painful tingling felt, when, in a particular position, it receives a blow; -- called also funny bone.
  • Crazy quilt, a bedquilt made of pieces of silk or other material of various sizes, shapes, and colors, fancifully stitched together without definite plan or arrangement. [1913 Webster]

Synonyms of 'crazy'

From: Moby Thesaurus