American English

Definition of defeat verb from the Oxford Advanced American Dictionary



    Verb Forms present simple I / you / we / they defeat
    he / she / it defeats
    past simple defeated
    -ing form defeating
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  1. 1defeat somebody/something to win against someone in a war, competition, sports game, etc. synonym beat He defeated the champion in three sets. a defeated army
  2. 2defeat somebody (formal) if something defeats you, you cannot understand it The instruction manual completely defeated me.
  3. 3defeat something to stop something from being successful The motion was defeated by 19 votes. Staying late at the office to discuss shorter working hours rather defeats the object of the exercise!
See the Oxford Advanced Learner's Dictionary entry: defeat