| Roget's II: The New Thesaurus | ||
| Main Entry: | insane | |
| Part of Speech: | adjective | |
| Definition: | Afflicted with or exhibiting irrationality and mental unsoundness. | |
| Synonyms: | brainsick, crazy, daft, demented, disordered, distraught, dotty, lunatic, mad, maniac, maniacal, moonstruck, off, touched, unbalanced, unsound, wrong | |
| Idioms: | around the bend, crazy as a loon, mad as a hatter, not all there, nutty as a fruitcake, off, off one's rocker, of unsound mind, out of one's mind, sick in the head, stark raving mad | |
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