Meaning of “unannounced” in the English Dictionary

"unannounced" in British English

See all translations

(Definition of “unannounced” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"unannounced" in American English

See all translations

unannouncedadjective, adverb [ not gradable ]

us /ˌʌn·əˈnɑʊnst/

sudden and unexpected:

Several unannounced acts made this concert special.
The President appeared unannounced.

(Definition of “unannounced” from the Cambridge Academic Content Dictionary © Cambridge University Press)