lethargic

 
Pronunciation: /lɪˈθɑːdʒɪk/

adjective

  • affected by lethargy; sluggish and apathetic: I felt tired and a little lethargic

Derivatives

lethargically

Pronunciation: /lɪˈθɑːdʒɪk(ə)li/
adverb

Origin:

late Middle English: via Latin from Greek lēthargikos, from lēthargos 'forgetful'