[] to decide that sth that has been planned or arranged will not happen 取消；撤销◆The meeting has been cancelled. 这次会议已取消了。◆All flights have been cancelled because of the bad weather. 因为天气恶劣，所有航班均已取消。➡ see note at postpone
() [] to say that you no longer want to continue with an agreement, especially one that has been legally arranged 撤销，废除（具有法律效力的协议）◆If the goods don't arrive on time, you can cancel the order. 如果货物没有按时到达，你可以撤销订单。◆The US has agreed to cancel debts (= say that they no longer need to be paid) totalling $10 million. 美国已同意免除总额 1 000 万美元的债务。
[] to mark a ticket, a cheque or an official document in order to show that it has been used or that it must not be used; to stop using these items 盖销，注销（票、支票、正式文件等）◆The media group will buy back and cancel 33 million shares. 这传媒集团将回购并注销 3 300 万股股票。◆The cancelled cheque is proof that the payment was made. 已盖销的支票证明款项已付清。
[] if you cancel a cheque, you stop it being paid 注销（支票）◆I realized the deal was a scam (= a trick for making money) so I phoned the bank and cancelled the cheque. 我意识到这笔交易是一场骗局，所以我打电话给银行注销了这支票。SYNstop
[] to stop an instruction to a machine, especially a computer 取消（尤指计算机的指令）