Definition of lethargy in English:

lethargy

Syllabification: leth·ar·gy
Pronunciation: /ˈleTHərjē
 
/

noun

1A lack of energy and enthusiasm: periods of weakness and lethargy [in singular]: she might have sunk into a lethargy
More example sentences
  • He was particularly upset with police lethargy and lack of enough vehicles for night patrolling.
  • Pardon my lethargy and lack of imagination as I continue my romp through our holiday snaps.
  • A good breakfast is important for refilling our energy stores, keeping lethargy at bay during the morning hours.
Synonyms
1.1 Medicine A pathological state of sleepiness or deep unresponsiveness and inactivity.
More example sentences
  • Some of the other side effects of the strong pain medications include confusion, lethargy and sleepiness.
  • Symptoms include nausea, vomiting, lethargy and indifference.
  • Monitor for clinical symptoms such as nausea, vomiting, lethargy, edema, jaundice, and seizure breakthrough.

Origin

late Middle English: via Old French from late Latin lethargia, from Greek lēthargia, from lēthargos 'forgetful', from the base of lanthanesthai 'forget'.

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