The condition of being born to parents not married to each other.
An illegal act.
An impromptu or extralegal system of justice substituted for established judicial procedure:
A relation, typically by blood; sometimes used to refer to relations by marriage or adoption.
A heraldic bend or baton sinister, held to signify bastardy. Not in technical use.
The quality or fact of being legitimate.
Find another word for illegitimacy. In this page you can discover 15 synonyms, antonyms, idiomatic expressions, and related words for illegitimacy, like: illegitimateness, bastardy, bastardism, illegitimation, illegality, illicitness, unlawfulness, crimes, law, kin and bar-sinister.