bastardess noun2 •(old-fashioned, rare) A woman who was born out of wedlock, and hence often considered an illegitimate descendant.[…]when a bastard marries a bastardess, and he has a legitimate Israelite brother :–all these marriages are indeed legal[…] — 1843 •(vulgar, offensive) A contemptible, inconsiderate, overly or arrogantly rude or spiteful woman.A bastardess like me would never be allowed past the door. — 2019 formsbastardesses