reversal
noun
uk/rɪˈvɜːsəl/ us [ C or U ]
a change in something so that it becomes the opposite of what it was before:
What led to the reversal of the policy?
The policy has undergone a complete reversal.
a reversal of sth There has been a reversal of the decision to reduce staff in HQ.
a reversal in sth We are hoping for a reversal in the downward trend of sales.
The company has recently experienced a reversal of fortune.
[ C ]
a problem or failure that makes it more difficult for a person or organization to be successful:
The business suffered several reversals when it first entered the Asian market.
The resignation of the CEO represents a significant reversal for the company.