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.
Yet the lawyers chosen to represent the colonies nevertheless concluded that lawful government had become an unlawful government. Joseph Andrew, Forbes.com, 1 July 2026 The court, divided 6-3, ruled that the executive order Trump issued on the first day of his second term was unlawful. Elizabeth Robinson, NBC news, 1 July 2026 The San Jose Police Department has declared an unlawful assembly and in the name of the People of the State of California, order all those assembled at Santa Clara St and Almaden Ave to immediately disperse, which means to break up this assembly. Tim Fang, CBS News, 1 July 2026 Jazzlyn Johnson, a spokesperson for Johnson, said in an email that Sanchez-Munoz had been charged with one count of second-degree felony murder, five counts of unlawful use of a weapon and five counts of armed criminal action. Nathan Pilling, Kansas City Star, 30 June 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 5 Jul. 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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