reversere·verse1 /rɪˈvɜːs-ɜːrs/ verb [transitiveT]1to change something such as a decision, judgement, or process so that it is the opposite of what it was beforeWill the government reverse its decision to lower oil prices?
The California Supreme Court reversed a lower court ruling that blocked a resort hotel from being built.
The company had been struggling to reverse huge losses.
2reverse direction/course to develop or do something in the opposite way to beforeBond prices abruptly reversed direction and fell.
The President reversed course and cut a deal with Congress.
3reverse the charges British EnglishBrE to make a telephone call which is paid for by the person you are telephoningSYN AmE call collect