illegal

adjective

(ˌ)i(l)-ˈlē-gəl How to pronounce illegal (audio)
Definition of illegalnext
1
as in unlawful
contrary to or forbidden by law it is illegal to import those birds into this country

Synonyms & Similar Words

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Antonyms & Near Antonyms
2
as in foul
not being in accordance with the rules or standards of what is fair in sport an illegal pass

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for illegal
  1. unlawful
  2. foul
  3. illicit
  4. unfair
  5. criminal
  6. nasty
Adjective
  • Runa’s incarceration – and death months after her release – is now the subject of a lawsuit brought by her mother against Hyogo Prefectural Police alleging unlawful arrest and detention.
    — Hanako Montgomery, CNN Money, 24 Oct. 2026
  • Last month, the seizure was ruled unlawful by the California Supreme Court.
    — Iris Kwok, Los Angeles Times, 24 Oct. 2026
Definition of unlawful
Adjective
  • Feast on fresh fruits, pastries, cold cuts, omelettes, and traditional foul mudammas while traversing the ancient waterway.
    — Condé Nast, Condé Nast Traveler, 4 Nov. 2026
  • Who hasn’t airballed a foul shot in front of a Catholic school auditorium filled with 50 people on a Saturday morning?
    — Ryan Gaydos OutKick, FOXNews.com, 3 Nov. 2026
Definition of foul
Adjective
  • So far, the most plausible driver of recent declines in overdose deaths is a change in the illicit drug supply.
    — J. Travis Donahoe, STAT, 23 Oct. 2026
  • But how and through whom the money flowed into the Alpha account revealed that it was intended to remain secret, more akin to a covert and illicit scheme, given that it was managed in part by a senior advisor to the president of the United States.
    — Matthew Cole, Vanity Fair, 22 Oct. 2026
Definition of illicit
Adjective
  • Their feelings don’t automatically mean your choice was unfair.
    — Tarot.com, Chicago Tribune, 6 Nov. 2026
  • Holding back on tough feedback, being a yes-man and avoiding critical conversations is unfair to all team members involved.
    — Aaron Levy, Forbes.com, 6 Nov. 2026
Definition of unfair
Adjective
  • Also Sunday, prosecutors ordered a 48-hour detention of Marko Kricak, Vucic's chief of criminal police.
    — MARKO DROBNJAKOVIC, Arkansas Online, 2 Nov. 2026
  • Linn County prosecutors did not file criminal charges, but the church would not allow Moore to work with children, youth and vulnerable adults.
    — Jack Harvel, Kansas City Star, 2 Nov. 2026
Definition of criminal
Adjective
  • Surely, though, it is not lost on the audience that this play opens in the middle of a strikingly nasty political campaign to elect members of the Chicago school board, warring Democrats all.
    — Chris Jones, Chicago Tribune, 2 Nov. 2026
  • Someone who hung up on your problem is unlikely to listen to a nasty critique and vow to reform.
    — Judith Martin, Sun Sentinel, 2 Nov. 2026
Definition of nasty
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

ill-bred
illegal
illegalities
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Cite this Entry

“Illegal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/illegal. Accessed 8 Nov. 2026.

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