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Synonyms for illegal
adj against the law- banned
- criminal
- illegitimate
- illicit
- irregular
- outlawed
- prohibited
- smuggled
- unauthorized
- unconstitutional
- unlawful
- unlicensed
- unwarranted
- wrongful
- actionable
- black-market
- bootleg
- contraband
- crooked
- extralegal
- felonious
- forbidden
- heavy
- hot
- interdicted
- lawless
- not approved
- not legal
- outside the law
- proscribed
- prosecutable
- racket
- shady
- sub rosa
- taboo
- under the table
- unofficial
- unwarrantable
- verboten
- violating
- wildcat
Antonyms for illegal
- authorized
- blessed
- ethical
- good
- justifiable
- lawful
- legal
- legitimate
- moral
- permitted
- right
- warranted
- allowed
- permissible
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.
contraband
adjective. black-market; unlawful
crooked
adjective. evil, corrupt
felonious
adjective. criminal
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.