untimelychange

noun
UK /ʌnˈtaɪmli tʃeɪndʒ/
US /ʌnˈtaɪmli tʃeɪndʒ/

A change that happens at a bad or wrong time.

The untimelychange in the schedule made everyone rush.


OTHER MEANINGS

2. A change that comes too early.

The untimelychange in the weather caught the farmers off guard.

3. A change that causes trouble because of when it happens.

His untimelychange of plans ruined the surprise party.

4. A shift that happens at an awkward moment.

The untimelychange of topic made the meeting confusing.