| English adjective: crazy | |||
| 1. | crazy affected with madness or insanity | ||
| Samples | A man who had gone mad. | ||
| Synonyms | brainsick, demented, disturbed, mad, sick, unbalanced, unhinged | ||
| Similar | insane | ||
| Antonyms | sane | ||
| 2. | crazy foolish; totally unsound | ||
| Samples | A crazy scheme. Half-baked ideas. A screwball proposal without a prayer of working. | ||
| Synonyms | half-baked, screwball, softheaded | ||
| Similar | impractical | ||
| Domain usage | colloquialism | ||
| Antonyms | practical | ||
| 3. | crazy possessed by inordinate excitement | ||
| Samples | The crowd went crazy. Was crazy to try his new bicycle. | ||
| Similar | excited | ||
| Domain usage | colloquialism | ||
| Antonyms | unexcited | ||
| 4. | crazy bizarre or fantastic | ||
| Samples | Had a crazy dream. Wore a crazy hat. | ||
| Similar | strange, unusual | ||
| Antonyms | familiar | ||
| 5. | crazy intensely enthusiastic about or preoccupied with | ||
| Samples | Crazy about cars and racing. He is potty about her. | ||
| Synonyms | dotty, gaga, wild | ||
| Similar | enthusiastic | ||
| Domain usage | colloquialism | ||
| Antonyms | unenthusiastic | ||
| English noun: crazy | |||
| 1. | crazy (person) someone deranged and possibly dangerous | ||
| Synonyms | looney, loony, nutcase, weirdo | ||
| Broader (hypernym) | lunatic, madman, maniac | ||
| Domain usage | colloquialism | ||