barmy
adjective
1. marked by spirited enjoyment
Similar word(s): spirited, yeasty, zestful, zesty
2. informal or slang terms for mentally irregular
Similar word(s): insane, balmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kookie, kooky, loony, loopy, nuts, nutty, wacky, whacky