American English

Definition of hammer out phrasal verb from the Oxford Advanced American Dictionary

 

hammer out

 phrasal verb
phrasal verb
 
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Phrasal Verbs

    hammer out something

     
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  1. 1to discuss a plan, an idea, etc. until everyone agrees or a decision is made to hammer out a compromise
  2. 2to play a tune, especially on a piano, loudly and not very well
See the Oxford Advanced Learner's Dictionary entry: hammer out