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

His department wants the Army to be more proactive in testing and mitigating the contamination, so Caron said seeing an unannounced 13-year delay is worrisome. — Austin Fast, USA Today, 26 July 2026

As part of the 2-year recertification process, Community Hospital underwent an unannounced onsite review by The Joint Commission. — Post-Tribune, Chicago Tribune, 26 July 2026

The unannounced appearance took place at FLOAT inside San Diego’s Hard Rock Hotel, where Fandom and Z2 launched Comic-Con weekend with their now-annual celebration. — Spin Staff, SPIN, 24 July 2026

Culp would show up unannounced at the plant, and head straight for the shop floor to ensure the progress got sustained. — Shawn Tully, Fortune, 23 July 2026

Word History

First Known Use

circa 1775, in the meaning defined above

Rhymes for unannounced

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