illegal
WordReference English Thesaurus © 2026
Sense: Adjective: lawbreaking - activity
Synonyms:
unlawful, illicit, criminal Collocations, against the law, outside the law, not legal, felonious, outlawed, lawless, punishable by law, prohibited, proscribed, interdicted , forbidden Collocations, banned, lawbreaking, sinful, wrongful, not permitted, vetoed, unconstitutional, verboten
Antonyms:
legal Collocations, legitimate, licit, aboveboard, kosher, authorized, licensed, lawful, constitutional, proper Collocations, right Collocations, rightful, sanctioned, within the law
Sense: Adjective: prohibited - goods, trade
Synonyms:
illicit, contraband, bootleg, bootlegged, black-market, under-the-counter, underground Collocations, clandestine, counterfeit Collocations, illegitimate