Definition of lethargy noun from the Oxford Advanced American Dictionary

     

    lethargy

     noun
    noun
    NAmE//ˈlɛθərdʒi//
     
    [uncountable]
     
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  1. 1the state of not having any energy or enthusiasm for doing things synonym inertia
  2. 2 The report criticizes the lethargy shown by employers when it comes to job creation.
NAmE//ləˈθɑrdʒɪk//
 
adjective The weather made her lethargic.
See the Oxford Advanced Learner's Dictionary entry: lethargy