unannounced
adjective/ˌʌnəˈnaʊnst/
/ˌʌnəˈnaʊnst/
- happening without anyone being told or warned in advance
- She just turned up unannounced on my doorstep.
- an unannounced increase in bus fares
Oxford Collocations DictionaryUnannounced is used with these nouns:- visit
- arrive
Check pronunciation:
unannounced