unexpectedchange
nounUK /ˌʌn.ɪkˈspek.tɪd tʃeɪndʒ/
US /ˌʌn.ɪkˈspek.tɪd tʃeɪndʒ/
A change is when something becomes different, and unexpected means you did not think it would happen.
The sudden rain was an unexpected change to our picnic plans.
RELATED WORDS
OTHER MEANINGS
2. A change that happens without any warning.
The unexpected change in the schedule caught everyone off guard.
3. A shift in plans that nobody predicted.
Moving the party to Friday was an unexpected change.
4. A sudden difference in how something looks or works.
The unexpected change in the weather made us grab our coats.