noun
lethargy
LEHTH-uh-jee
noun
1
A lack of energy and enthusiasm; sluggishness or drowsiness.
"A poor diet can lead to lethargy and poor concentration."
"The whole office seemed to slip into lethargy after lunch."
How to Use Lethargy
Learner’s notesIn plain EnglishA state of low energy, tiredness, or sluggishness.
Easily confused with
Common pairings
a state of lethargy
overcome lethargy
Word Forms
lethargies plural
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Etymology
From Greek lethargia, "drowsiness," from lethargos, "forgetful, drowsy."