unlawful

adjective

un·​law·​ful ˌən-ˈlȯ-fəl How to pronounce unlawful (audio)
Synonyms of unlawfulnext
1
a
: not lawful : illegal
unlawful actions
b
: acting contrary to or in defiance of the law
an unlawful possessor
2
: not morally right or conventional
unlawfully adverb
unlawfulness noun

Examples of unlawful in a Sentence

The sale of alcohol to minors is unlawful. it is unlawful to set off fireworks within the city limits
Recent Examples on the Web
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.
Troopers also seized an unregistered gun and ammunition from Cook, who is charged with trafficking 200 grams or more of cocaine, as well as unlawful possession of a firearm and ammunition. Tim Dunn, Boston Herald, 7 Jan. 2026 Rachna Anwar, 46, and Munir Chaudhri, 62, face multiple felony charges, including corrupt organizations and dealing in the proceeds of unlawful activity, according to a release from the Attorney General Sunday's office. Chris Hoffman, CBS News, 7 Jan. 2026 But once those moratoriums ended in 2023, unlawful detainers (a type of notice that can lead to eviction) doubled from June 2022 to June 2023. Saumya Roy, The Dial, 6 Jan. 2026 Federal courts later concluded that the removal was unlawful and ordered the government to return him to the United States, finding that immigration officials had violated the terms of his withholding of removal and failed to follow required procedures. Kaelan Deese, The Washington Examiner, 6 Jan. 2026 See All Example Sentences for unlawful

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of unlawful was in the 14th century

Browse Nearby Words

Cite this Entry

“Unlawful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unlawful. Accessed 9 Jan. 2026.

Kids Definition

unlawful

adjective
un·​law·​ful ˌən-ˈlȯ-fəl How to pronounce unlawful (audio)
ˈən-
: not lawful : being against the law : illegal
unlawfully adverb
unlawfulness noun

Legal Definition

unlawful

adjective
un·​law·​ful
1
: not lawful : not authorized or justified by law
2
: acting contrary to or in defiance of the law
an unlawful possessor
unlawfully adverb
unlawfulness noun

More from Merriam-Webster on unlawful

Last Updated: - Updated example sentences
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