Found 2 items, similar to batty.
English → English (WordNet) Definition: batty batty adj : informal or slang terms for mentally irregular; “it used to drive my husband balmy” [syn: balmy, barmy, bats, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, round the bend, around the bend , wacky, whacky] [also: battiest, battier]
English → English (gcide) Definition: Batty Batty \Bat"ty\ (b[a^]t"t[y^]), a. 1. Belonging to, or resembling, a bat. “Batty wings.” --Shak. [1913 Webster] 2. Crazy; demented; loony; nuts; as, her constant gabbing is driving me batty. [Colloq.] Syn: bats. [PJC]