| Main Entry: | lunatic |
| Part of Speech: | noun |
| Definition: | person who is crazy, mad |
Synonyms: |
crackpot, crank, cuckoo, demoniac, flake, fruitcake, kook, lamebrain, loon, maniac, neurotic, nut*, paranoid, psycho, psychopath, psychotic, scatterbrain, schizophrenic, sociopathic |
Antonyms: |
sane |