American English

Definition of buck verb from the Oxford Advanced American Dictionary

     

    buck

     verb
    verb
    NAmE//bʌk//
     
    Verb Forms present simple I / you / we / they buck
     
    he / she / it bucks
     
    past simple bucked
     
    -ing form bucking
     
     
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  1. 1 [intransitive] (of a horse) to jump with the two back feet or all four feet off the ground
  2. 2[intransitive] to move up and down suddenly or in a way that is not controlled The boat bucked and heaved beneath them. The shotgun bucked in his hands.
  3. 3 [transitive] buck something (informal) to resist or oppose something One or two companies have managed to buck the trend of the recession. He admired her willingness to buck the system (= oppose authority or rules). The president is unlikely to buck pressure from the public.
  4. Phrasal Verbsbuck upbuck somebody up
See the Oxford Advanced Learner's Dictionary entry: buck