American English

Definition of smooth verb from the Oxford Advanced American Dictionary

     

    smooth

     verb
    verb
    NAmE//smuð//
     
    Verb Forms present simple I / you / we / they smooth
     
    he / she / it smooths
     
    past simple smoothed
     
    -ing form smoothing
     
     
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  1. 1to make something smooth smooth something (back/down/out) He smoothed his hair back. She was smoothing out the creases in her skirt. smooth something + adj. He took the letter and smoothed it flat on the table.
  2. 2smooth something on/into/over something to put a layer of a soft substance over a surface Smooth the icing over the top of the cake.
  3. Idioms
    smooth the path/way
     
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    to make it easier for someone or something to develop or make progress These negotiations are intended to smooth the path to a peace treaty. We're trying to smooth the way for women who want to resume their careers.
    smooth (somebody's) ruffled feathers
     
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    to make someone feel less angry or offended
    Phrasal Verbssmooth somethingaway/outsmooth somethingover
See the Oxford Advanced Learner's Dictionary entry: smooth