Synonyms of round the bend

Adjective

1. balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, round the bend, around the bend, wacky, whacky, insane (vs. sane)

usage: informal or slang terms for mentally irregular; "it used to drive my husband balmy"