unlicensed

adjective

un·​li·​censed ˌən-ˈlī-sᵊn(t)st How to pronounce unlicensed (audio)
Synonyms of unlicensednext
: not licensed: such as
a
: not authorized or permitted by a license
unlicensed merchandise
an unlicensed firearm
the unlicensed reproduction of books
b
: operating without a license
unlicensed vendors
an unlicensed electrician
unlicensed brokers
unlicensed drivers

Examples of unlicensed in a Sentence

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.
An unlicensed operator driving an unregistered boat in the waters of Paradise Island struck an American riding a jet ski. Kathleen Wong, USA Today, 16 June 2026 By then, OpenAI had rolled out its GPT-4o model, which the lawsuit claims was designed to keep users hooked, and enabled ChatGPT to behave like an unlicensed therapist. Lauren Fichten, CBS News, 11 June 2026 That unlicensed broker on Twitter with cryptic access to SpaceX shares? Allie Garfinkle, Fortune, 11 June 2026 Kansas City Mayor Quinton Lucas this week vowed to crack down on unlicensed businesses after a weekend mass shooting injured nine people at an unregulated club on Troost Avenue. Kacen Bayless, Kansas City Star, 10 June 2026 See All Example Sentences for unlicensed

Word History

First Known Use

1577, in the meaning defined above

Time Traveler
The first known use of unlicensed was in 1577

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Cite this Entry

“Unlicensed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unlicensed. Accessed 21 Jun. 2026.

Medical Definition

unlicensed

adjective
un·​li·​censed
variants or chiefly British unlicenced
-ˈlīs-ᵊn(t)st
: not licensed
especially, of a drug : not approved for use by the appropriate regulating authority (as the Food and Drug Administration in the United States)

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