Examples of Unannounced in a Sentence

"Unannounced" in a Sentence: What is a good sentence for the word unannounced? Please find below our selected examples of "Unannounced" in a sentence.

As an adjective:
1. The unannounced visit from my parents was a pleasant surprise.
2. Sarah made an unannounced appearance at the party, catching everyone off guard.
3. We received an unannounced inspection from the health department.

As a verb:
1. The teacher decided to unannounced the pop quiz on Friday.
2. The company CEO unannounced a new policy that took the employees by surprise.

As an adverb:
1. The celebrity showed up unannounced at the charity event.
2. The storm arrived unannounced, causing chaos throughout the city.