crazy Meaning, Definition & Usage

  1. noun someone deranged and possibly dangerous
    loony; weirdo; looney; nutcase.
  2. adjective satellite affected with madness or insanity
    unhinged; brainsick; demented; disturbed; mad; sick; unbalanced.
    • a man who had gone mad
  3. adjective satellite foolish; totally unsound
    softheaded; screwball; half-baked.
    • a crazy scheme
    • half-baked ideas
    • a screwball proposal without a prayer of working
  4. adjective satellite possessed by inordinate excitement
    • the crowd went crazy
    • was crazy to try his new bicycle
  5. adjective satellite bizarre or fantastic
    • had a crazy dream
    • wore a crazy hat
  6. adjective satellite intensely enthusiastic about or preoccupied with
    wild; gaga; dotty.
    • crazy about cars and racing
    • he is potty about her

WordNet

Cra"zy adjective
Etymology
From Craze.
Definitions
  1. Characterized by weakness or feeblness; decrepit; broken; falling to decay; shaky; unsafe.
    Piles of mean andcrazy houses. Macualay.
    One of great riches, but a crazy constitution. Addison.
    They . . . got a crazy boat to carry them to the island. Jeffrey.
  2. Broken, weakened, or dissordered in intellect; shattered; demented; deranged.
    Over moist and crazy brains. Hudibras.
  3. Inordinately desirous; foolishly eager. Colloq.
    The girls were crazy to be introduced to him. R. B. Kimball.

Webster 1913