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

     

    impoverish

     verb
    verb
    BrE BrE//ɪmˈpɒvərɪʃ//
     
    ; NAmE NAmE//ɪmˈpɑːvərɪʃ//
     
    Verb Forms present simple I / you / we / they impoverish
    BrE BrE//ɪmˈpɒvərɪʃ//
     
    ; NAmE NAmE//ɪmˈpɑːvərɪʃ//
     
    he / she / it impoverishes
    BrE BrE//ɪmˈpɒvərɪʃɪz//
     
    ; NAmE NAmE//ɪmˈpɑːvərɪʃɪz//
     
    past simple impoverished
    BrE BrE//ɪmˈpɒvərɪʃt//
     
    ; NAmE NAmE//ɪmˈpɑːvərɪʃt//
     
    past participle impoverished
    BrE BrE//ɪmˈpɒvərɪʃt//
     
    ; NAmE NAmE//ɪmˈpɑːvərɪʃt//
     
    -ing form impoverishing
    BrE BrE//ɪmˈpɒvərɪʃɪŋ//
     
    ; NAmE NAmE//ɪmˈpɑːvərɪʃɪŋ//
     
    Poverty and famine
     
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  1. 1impoverish somebody to make somebody poor These changes are likely to impoverish single-parent families even further. See related entries: Poverty and famine
  2. 2impoverish something to make something worse in quality Intensive cultivation has impoverished the soil.
  3. Word Origin late Middle English (formerly also as empoverish): from Old French empoveriss-, lengthened stem of empoverir, based on povre ‘poor’.
See the Oxford Advanced American Dictionary entry: impoverish