Synonyms for illegitimate

Noun

1. bastard, by-blow, love child, illegitimate child, illegitimate, whoreson, offspring, progeny, issue

usage: the illegitimate offspring of unmarried parents

Adjective

1. illegitimate, illicit, outlaw(prenominal), outlawed, unlawful, illegal (vs. legal)

usage: contrary to or forbidden by law; "an illegitimate seizure of power"; "illicit trade"; "an outlaw strike"; "unlawful measures"

2. illegitimate (vs. legitimate), adulterine, base, baseborn, bastard, bastardly, misbegot, misbegotten, spurious, fatherless, left-handed, unlawful, wrongful, illegal, invalid, unauthorized#1, unauthorised

usage: of marriages and offspring; not recognized as lawful