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Definition of 'buck'


  1. a gymnastic horse without pommels and with one end elongated; used lengthwise for vaulting
       Synonyms: vaulting horse long horse
  2. a piece of paper money worth one dollar
       Synonyms: dollar dollar bill one dollar bill clam
  3. United States author whose novels drew on her experiences as a missionary in China (1892-1973)
       Synonyms: Pearl Buck Pearl Sydenstricker Buck
  4. a framework for holding wood that is being sawed
       Synonyms: sawhorse horse sawbuck
  5. mature male of various mammals (especially deer or antelope)


  1. to strive with determination; "John is bucking for a promotion"
  2. resist; "buck the trend"
       Synonyms: go against
  3. move quickly and violently; "The car tore down the street"; "He came charging into my office"
       Synonyms: tear shoot shoot down charge
  4. jump vertically, with legs stiff and back arched; "the yung filly bucked"
       Synonyms: jerk hitch

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