unannounced

/ ˌʌnəˈnaʊnst /

adjective

1. not made known publicly or declared in advance

   an unannounced visit

Example Sentences

As the family waited for news, Angela King said she tried to convince herself that her father was just taking an unannounced vacation.

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Off the back of its concerns, the CQC carried out an unannounced inspection, with the findings to be published in due course.

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The Sybil Brand Commission’s 10 members serve a key oversight role, regularly conducting unannounced inspections of county jails and lockups.

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It wasn’t even the first time he’d shown up at her home unannounced, according to an arrest affidavit and claims in a civil lawsuit.

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Immigration raids now sweep through the Valley like dust storms — sudden, unannounced, merciless.

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Related Words

• undisclosed 
• unheralded 
• unpublished