bastard

adjective

1
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
2
insulting terms of address for people who are stupid or irritating or ridiculous
3
the illegitimate offspring of unmarried parents

Also useful for “bastard”:Unscrambler— Rearrange the letters in “bastard”