lethargic

/ləˈθɑrdʒɪk/
adjective
  1. Feeling a lack of energy or enthusiasm; sluggish and drowsy.
    • The hot afternoon sun made everyone in the office feel lethargic and unfocused.
    • She was so lethargic from her cold that she stayed in bed all day.
    • After the long flight, I felt too lethargic to unpack my suitcase.
  2. Moving or reacting very slowly; lacking vigor or activity.
    • The economy remained lethargic, with little growth in new jobs.
    • A lethargic stream trickled through the dry riverbed.
    • The team's lethargic performance in the first half cost them the game.
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