lethargic
adjective
[ lɪˈθɑːdʒɪk ]
• affected by lethargy; sluggish and apathetic.
• "I felt tired and a little lethargic"
Similar:
sluggish,
inert,
inactive,
slow,
torpid,
lifeless,
dull,
languid,
listless,
lazy,
idle,
indolent,
shiftless,
slothful,
phlegmatic,
apathetic,
passive,
weary,
tired,
fatigued,
sleepy,
drowsy,
enervated,
somnolent,
narcotic,
Origin:
late Middle English: via Latin from Greek lēthargikos, from lēthargos ‘forgetful’.