buck - definition and synonyms

verb [intransitive] 

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/bʌk/
present tense
I/you/we/theybuck
he/she/itbucks
present participlebucking
past tensebucked
past participlebucked
  1. if an animal such as a horse bucks, it kicks its back legs in the air or jumps off the ground in an uncontrolled way
     Synonyms and related words

phrasal verbs