inattendu meaning in English

unexpected▼◼◼◼(not expected, anticipated or foreseen)
adjective
[UK: ˌʌ.nɪk.ˈspek.tɪd] [US: ˌʌ.nɪk.ˈspek.təd]This is unexpected. = C'est inattendu.

unforeseen▼◼◼◻(not expected)
adjective
[UK: ˌʌn.fɔː.ˈsiːn] [US: ˌʌn.fɔːr.ˈsiːn]Due to unforeseen circumstances, all classes will be held online this semester. = En raison des circonstances inattendues, tous les cours seront dispensés en ligne ce semestre.