›[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 sthThere has been a reversal of the decision to reduce staff in HQ.a reversal in sthWe 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.