- unannounced as an adjective:
- 1
unannounced
adjective
1 unannounced
Without warning or announcement:
— They arrived unannounced.
synonyms: unheralded, unpredicted.
Moby thesaurus: extraordinary, improbable, more than expected, out-of-the-way, past expectation, sudden, unanticipated, undivined, unexpected, unforeseeable, unforeseen, unguessed, unheralded, unhoped for, unpredictable, unpredicted, unprepared for, without warning.
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