unannounced

adjective

un·​an·​nounced ˌən-ə-ˈnau̇n(t)st How to pronounce unannounced (audio)
Synonyms of unannouncednext
: occurring without any prior announcement or warning : not announced
an unannounced concert
showed up unannounced at her doorstep

Examples of unannounced in a Sentence

Recent Examples on the Web
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The Joint Commission, widely regarded as the gold standard in health care, evaluates organizations through rigorous and often unannounced inspections, ensuring that patient care, safety protocols, and clinical operations consistently meet the highest standards. Ascend Agency, Sun Sentinel, 4 May 2026 The Athletics Integrity Unit said Newman was unavailable for an unannounced doping control session in February 2025 and twice more in August. Jackson Thompson, FOXNews.com, 1 May 2026 My partner knows unannounced guests deeply affect my mental well-being and sense of safety. Abigail Van Buren, Boston Herald, 30 Apr. 2026 An anonymous source also reportedly told TODAY that the singer's unannounced Act III album won't be released next week. Caché McClay, USA Today, 29 Apr. 2026 See All Example Sentences for unannounced

Word History

First Known Use

circa 1775, in the meaning defined above

Time Traveler
The first known use of unannounced was circa 1775

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Cite this Entry

“Unannounced.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unannounced. Accessed 6 May. 2026.

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