English

Definition of diminish verb from the Oxford Advanced Learner's Dictionary

      

    diminish

     verb
    verb
    BrE BrE//dɪˈmɪnɪʃ//
     
    ; NAmE NAmE//dɪˈmɪnɪʃ//
     
    Verb Forms present simple I / you / we / they diminish
    BrE BrE//dɪˈmɪnɪʃ//
     
    ; NAmE NAmE//dɪˈmɪnɪʃ//
     
    he / she / it diminishes
    BrE BrE//dɪˈmɪnɪʃɪz//
     
    ; NAmE NAmE//dɪˈmɪnɪʃɪz//
     
    past simple diminished
    BrE BrE//dɪˈmɪnɪʃt//
     
    ; NAmE NAmE//dɪˈmɪnɪʃt//
     
    past participle diminished
    BrE BrE//dɪˈmɪnɪʃt//
     
    ; NAmE NAmE//dɪˈmɪnɪʃt//
     
    -ing form diminishing
    BrE BrE//dɪˈmɪnɪʃɪŋ//
     
    ; NAmE NAmE//dɪˈmɪnɪʃɪŋ//
     
     
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  1. 1[intransitive, transitive] diminish (something) to become or to make something become smaller, weaker, etc. synonym decrease The world's resources are rapidly diminishing. His influence has diminished with time. Our efforts were producing diminishing returns (= we achieved less although we spent more time or money).
  2. 2[transitive] diminish somebody/something to make somebody/something seem less important than they really are synonym belittle I don't wish to diminish the importance of their contribution.
  3. Word Origin late Middle English: blend of archaic minish ‘diminish’ (based on Latin minutia ‘smallness’) and obsolete diminue ‘speak disparagingly’ (based on Latin deminuere ‘lessen’ (in late Latin diminuere), from minuere ‘make small’).
See the Oxford Advanced American Dictionary entry: diminish