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.
The unlawful increases also affect the basic plan, which saw a 2-euro increase in October 2024. Scharon Harding, ArsTechnica, 3 Apr. 2026 The teacher, Charissa Newport, faces a charge of unlawful restraint of a child younger than 17, according to the Keller Police Department. Doug Myers, CBS News, 3 Apr. 2026 Newport, 45, faces a charge of unlawful restraint of a child under the age of 17 and has since been released on bond from the Keller Regional Detention Center. Lillie Davidson, Fort Worth Star-Telegram, 3 Apr. 2026 The reductions must reflect the cumulative unlawful increases. Aamir Khollam, Interesting Engineering, 3 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 5 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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