Definition of dim verb from the Oxford Advanced American Dictionary

     

    dim

     verb
    verb
    NAmE//dɪm//
     
    Verb Forms present simple I / you / we / they dim
     
    he / she / it dims
     
    past simple dimmed
     
    -ing form dimming
     
     
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    light
  1. 1[intransitive, transitive] dim (something) if a light dims, or if you dim it, it becomes or you make it less bright The lights in the theater dimmed as the curtain rose.
  2. feeling/quality
  3. 2[intransitive, transitive] dim (something) if a feeling or quality dims, or if something dims it, it becomes less strong Her passion for dancing never dimmed over the years.
See the Oxford Advanced Learner's Dictionary entry: dim