Illegitimate :: Illegitimate (a.) Not according to law; not regular or authorized; unlawful; improper.
Illegitimate :: Illegitimate (a.) Unlawfully begotten; born out of wedlock; bastard; as, an illegitimate child..
Illegitimate :: Illegitimate (a.) Not legitimately deduced or inferred; illogical; as, an illegitimate inference..
Illegitimate :: Illegitimate (a.) Not authorized by good usage; not genuine; spurious; as, an illegitimate word..
Illegitimate :: Illegitimate (v. t.) To render illegitimate; to declare or prove to be born out of wedlock; to bastardize; to illegitimatize.