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.
First, opponents argued that the rule was unlawful and that Congress would need to amend the statute to implement the changes proposed by DHS in its rule. Stuart Anderson, Forbes.com, 21 July 2025 He was arrested at 12:22 a.m. Friday for misdemeanor unlawful speeding and driving under the influence, a first-degree misdemeanor. Edgar Thompson, The Orlando Sentinel, 19 July 2025 He has also been charged two drug counts related to the unlawful possession of prescription medication, according to the complaint. Clara McMichael, ABC News, 18 July 2025 Charges include rioting, unlawful assembly, failure to disperse, obstructing a highway, obstructing emergency responders, criminal mischief, disorderly conduct and resisting arrest. Aaron Valdez, Cincinnati Enquirer, 18 July 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 25 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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