Synonyms of illegitimate in English:

illegitimate


See definition of illegitimate

adjective

1‘illegitimate share trading’

SYNONYMS

illegal, unlawful, illicit, against the law, criminal, lawbreaking, actionable, felonious

unlicensed, unauthorized, unsanctioned, unwarranted, unofficial

banned, forbidden, barred, prohibited, outlawed, interdicted, proscribed, not allowed, not permitted, against the rules

contraband, black-market, under the counter, bootleg

fraudulent, corrupt, dishonest, dishonourable

verboten

malfeasant

informal crooked, shady

British informal bent, dodgy

ANTONYMS

legitimate, lawful

2‘an illegitimate child’

SYNONYMS

born out of wedlock, born of unmarried parents

love

dated born on the wrong side of the blanket, unfathered

archaic bastard, natural, misbegotten, baseborn, spurious, nameless

rare adulterine

ANTONYMS

legitimate

3‘it is quite illegitimate to treat such a person as a swindler’

SYNONYMS

incorrect, illogical, invalid, unsound, spurious, wrongly inferred, wrongly deduced

ANTONYMS

legitimate, correct