unexpected

US /ˌʌn.ɪkˈspek.tɪd/
UK /ˌʌn.ɪkˈspek.tɪd/
"unexpected" picture
1.

not expected or foreseen; surprising

:
•
The news of her resignation was completely unexpected.
•
We had an unexpected visitor this morning.
:
surprisingunforeseenunlooked-forsuddenunanticipated
:
expectedpredictableforeseenanticipatedplanned