repercussion
US /ˌriː.pɚˈkʌʃ.ən/
UK /ˌriː.pɚˈkʌʃ.ən/
1.
an unintended consequence of an event or action, especially an unwelcome one
:
•
His resignation had serious repercussions for the company.
•
The new policy will have far-reaching repercussions.