illicit — OET

illicit

adjective

1 illicit drugs:

illegal, unlawful, illegitimate, against the law;

outlawed, banned, forbidden, prohibited, interdicted, proscribed, not allowed, not permitted;

criminal, lawbreaking, actionable, felonious;

unlicensed, unauthorized, unsanctioned, unwarranted, unofficial;

contraband, black-market, under the counter, bootleg;

Law malfeasant;

German verboten;

rare non licet.

▷antonyms licit, legal.

2 an illicit love affair:

taboo, forbidden, ruled out, impermissible, not acceptable, unacceptable, against the rules;

secret, clandestine, furtive, sly;

German verboten;

Islam haram;

New Zealand tapu.

▷antonyms above board.

illicit Oxford Dictionary of English