/dɪˈsi:t ||; dɪˈsit/noun [U] dishonest behaviour; trying to make sb believe sth that is not true 不诚实的行为；欺骗；诈骗: Their marriage eventually broke up because she was tired of his lies and deceit. 他们的婚姻终于破裂，因为她已经对他的谎言和欺骗感到厌倦。