ˈbɑːs.təd ˈbæs.tɚd ˈmʌŋ.ɡɹəl ˈmɑŋ.ɡɹəl ˈmʌŋ.ɡɹəl an inferior dog or one of mixed breed derogatory term for a variation that is not genuine; something irregular or inferior or of dubious origin the architecture was a kind of bastard suggesting Gothic but not true Gothic