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English definition of “lethargic”

lethargic

adjective     /ləˈθɑː.dʒɪk/ US  /-ˈθɑːr-/
having little energy ; feeling unwilling and unable to do anything: I was feeling tired and lethargic.Tired and making tired lethargy     /ˈleθ.ə.dʒi/ US  /-ɚ-/ noun [U] Tired and making tired
(Definition of lethargic adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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