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.
Van Dyke, who is stationed at Fort Bragg near Fayetteville, North Carolina, was charged Thursday with the unlawful use of confidential government information for personal gain, theft of nonpublic government information, commodities fraud, wire fraud and making an unlawful monetary transaction. Gary D. Robertson, Chicago Tribune, 24 Apr. 2026 He has been charged in New York federal court with unlawful use of confidential government information for personal gain, theft of nonpublic government information, commodities fraud, wire fraud and making an unlawful monetary transaction. Erik Ortiz, NBC news, 24 Apr. 2026 He has been charged by the Justice Department with unlawful use of confidential government information for personal gain, theft of nonpublic government information, commodities fraud, wire fraud and making an unlawful monetary transaction. Hallie Golden, Fortune, 24 Apr. 2026 Van Dyke is charged with three counts of violating the Commodity Exchange Act, one count of wire fraud, and one count of unlawful monetary transaction. Anniek Bao, CNBC, 24 Apr. 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 28 Apr. 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

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