lethargy
leth-ar-gy
noun
A state of extreme tiredness, lack of energy, or enthusiasm; sluggishness.
"The heat caused a general lethargy among the students."
Thesaurus
Synonyms: languor, sluggishness, flatness, phlegm, lassitude, inanition, slackness
leth-ar-gy
A state of extreme tiredness, lack of energy, or enthusiasm; sluggishness.
"The heat caused a general lethargy among the students."
Synonyms: languor, sluggishness, flatness, phlegm, lassitude, inanition, slackness