| Word | Definitions | Synonyms |
|---|---|---|
| wacky | (adjective) ludicrous, foolish | Synonyms: goofy, silly, whacky, zany |
| (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, nutty, round the bend, whacky |