Pronunciation: /ʌn.əˈnaʊnst/
adjective describing something that is not announced or made known beforehand
A1 The surprise party was unannounced.
A2 She showed up unannounced at his doorstep.
B1 The sudden visit from her parents was unannounced.
B2 The unannounced inspection caught the employees off guard.
C1 The CEO's unannounced visit to the office caused a stir among the employees.
C2 The unannounced changes in company policy left many employees feeling uncertain.
formal The CEO made an unannounced visit to the company's headquarters.
informal She showed up at the party unannounced.
slang I can't believe he just popped in unannounced like that.
figurative The storm arrived unannounced, catching everyone off guard.
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