unplannedresult

noun
UK /ʌnˈplænd rɪˈzʌlt/
US /ʌnˈplænd rɪˈzʌlt/

Something that happens that you did not plan.

The big mess in the kitchen was an unplanned result of our baking.


OTHER MEANINGS

2. A good thing that happens by chance.

Meeting my best friend was a happy unplanned result of moving here.

3. Something that goes wrong because of a choice.

The broken window was an unplanned result of playing ball indoors.

4. A change nobody expected.

The extra rain was an unplanned result of the storm.