illegal synonyms

illegal

modif.

illicit, unlawful, prohibited, contraband, banned, unconstitutional, outside the law, extralegal, outlawed, not legal, unauthorized, unlicensed, lawless, actionable, verboten (German), sub rosa (Latin), illegitimate, taboo, forbidden, interdicted, proscribed, misbegotten, irregular, criminal, felonious, against the law, after-hours, not approved, uncertified, unwarranted, unwarrantable, smuggled, black-market, bootlegged, hot*; see also stolen.

Antonyms lawful, legal*, authorized.

Webster's New World Roget's A-Z Thesaurus Copyright © 1999 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.