1. [ adjective ] (law) contrary to or forbidden by law
Synonyms: outlaw outlawed unlawful illicit

"an illegitimate seizure of power" "illicit trade" "an outlaw strike" "unlawful measures"

Related terms: illegal
2. [ adjective ] of marriages and offspring; not recognized as lawful
Related terms: legitimate bastard base adulterine fatherless left-handed unlawful left-handed illegal unauthorized invalid
3. [ noun ] the illegitimate offspring of unmarried parents
Synonyms: by-blow love_child illegitimate_child whoreson bastard
Related terms: offspring bastardize
Similar spelling:   illegitimately