unannounced

adjective

un·​an·​nounced ˌən-ə-ˈnau̇n(t)st How to pronounce unannounced (audio)
: 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
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 Critics Choice Awards, originally set for Jan. 12, have also been postponed twice, first to Jan. 26 and then to an unannounced future date. Hilary Lewis, The Hollywood Reporter, 16 Jan. 2025 The order requires agencies to give CISA direct access to their security platforms and to allow CISA to conduct unannounced threat-hunting activities on their networks. Eric Geller, WIRED, 16 Jan. 2025 The unannounced visit coincided with the confirmation that the princess had previously received care at the hospital. Monique Jessen, People.com, 16 Jan. 2025 On Tuesday, Germany’s defense minister, Boris Pistorius, made an unannounced visit to Kyiv to meet with President Volodymyr Zelensky in a show of solidarity. Cassandra Vinograd, New York Times, 14 Jan. 2025 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

Dictionary Entries Near unannounced

Cite this Entry

“Unannounced.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unannounced. Accessed 22 Jan. 2025.

More from Merriam-Webster on unannounced

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!