/
ˈlɛθədʒi/
n.
- a lack of energy and enthusiasm.
- Medicine a pathological state of sleepiness or deep unresponsiveness.
Derivative
- lethargic adj.
- lethargically adv.
Etymology
ME: via OFr. from late L. lethargia, from Gk lēthargia, from lēthargos ‘forgetful’.
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