| Word | Definitions | Synonyms |
|---|---|---|
| nutter | (noun) a person who is regarded as eccentric or mad | Synonyms: wacko, whacko |
| nuttily | (adverb) in a mildly insane manner | Synonyms: balmily, daftly, dottily, wackily |
| nutty | (adjective) informal or slang terms for mentally irregular | Synonyms: around the bend, balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kookie, kooky, loco, loony, loopy, nuts, round the bend, wacky, whacky |
| (adjective) having the flavor of nuts | Synonyms: nutlike |