unlawful

adjective

un·​law·​ful ˌən-ˈlȯ-fəl How to pronounce unlawful (audio)
1
: not lawful : illegal
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.
Jorge Garibay said in a statement Friday, adding that the efforts were aimed at reducing fire risk and unlawful activity throughout the city. Jason Green, Mercury News, 28 June 2025 The court cited the First Amendment (freedom of speech), the Fourth Amendment (protection against unlawful search and seizure), and the Fourteenth Amendment (due process and equal protection). Ashley Fredde, Idaho Statesman, 27 June 2025 Zion Smith, 16, is being charged as an adult on counts of murder, tampering with physical evidence, carrying a dangerous weapon and unlawful discharge of a firearm, Lt. Nicholas Reinert of the Manchester Police Department said in a news release. Muri Assunção, New York Daily News, 26 June 2025 Vick was charged in Suffolk Superior Court on the assault charges as well as unlawful possession of a machine gun, unlawful possession of a firearm, and firearm use in commission of a felony. Flint McColgan, Boston Herald, 25 June 2025 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 5 Jul. 2025.

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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