unannounced

adjective

un·​an·​nounced ˌən-ə-ˈnau̇n(t)st 

: 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

However, unannounced oversight would be far stronger if Members of Congress could be accompanied by a staff member who could provide translation services, legal guidance, or policy expertise. — Finch Walker, USA Today, 18 Aug. 2026

The lowest-scoring cruise ships of 2026 have been identified based on data from unannounced health inspections conducted by the Centers for Disease Control and Prevention (CDC). — Kelly McGreal, FOXNews.com, 18 Aug. 2026

After that, the MRV operators plan to do the same for two as-yet-unannounced geostationary satellites operated by the company Intelsat. — Tom Metcalfe, Scientific American, 18 Aug. 2026

At a community hub in Dover, older residents drop in unannounced to share a cup of tea with a friendly face. — Kyle Vanelli, STAT, 14 Aug. 2026

Word History

First Known Use

circa 1775, in the meaning defined above

Rhymes for unannounced

• announced
• denounced
• pronounced
• renounced
• bounced
• flounced
• pounced