Definition of lethargy in English:

lethargy

noun

mass noun
  • 1A lack of energy and enthusiasm.

    ‘there was an air of lethargy about him’
    • ‘The first half was marked by total lethargy and an almost complete lack of chances.’
    • ‘A large meal before or during a flight will cause lethargy making it more difficult to cope with jet lag.’
    • ‘The chorus has that air of resigned lethargy and torpor which regularly lowers over those with little or no hope.’
    • ‘I have sudden surges of energy and productivity, or lethargy and napping.’
    • ‘However, today may be slow on the updates - there's a distinct air of lethargy about the place.’
    • ‘Better marketing techniques could help in overcoming this lethargy, and creating a bigger market, they point out.’
    • ‘A typical Scottish fry-up will send them back into sluggish lethargy.’
    • ‘Feelings of lethargy and fatigue are creeping into my being.’
    • ‘There is a tendency towards slouching rather than an upright composure and overall there may be a sense of lethargy or a lack of vitality.’
    • ‘Pardon my lethargy and lack of imagination as I continue my romp through our holiday snaps.’
    • ‘Thankfully, I should soon be reaching the stage when the nausea and lethargy subside and I gain a bit more energy.’
    • ‘A good breakfast is important for refilling our energy stores, keeping lethargy at bay during the morning hours.’
    • ‘The end result is a state of lethargy interspaced with bursts of frantic energy.’
    • ‘During the day, if heating is set too high, it can induce lethargy, poor concentration and fatigue.’
    • ‘I'm getting a little concerned with my total lethargy.’
    • ‘Running on pure nervous energy, he was caught in the temporary lethargy that comes after great effort.’
    • ‘Even worse, only a few people had picked it up, and when I shook off daylight savings lethargy at 1pm to get a copy, the display stand was still full.’
    • ‘He was particularly upset with police lethargy and lack of enough vehicles for night patrolling.’
    • ‘In spite of the general lethargy of teenagers, surveys show that most adolescents would like to be fitter.’
    • ‘The heat was swelling as the morning ticked on, filling the air with lethargy.’
    sluggishness, inertia, inactivity, inaction, slowness, torpor, torpidity, lifelessness, dullness, listlessness, languor, languidness, stagnation, laziness, idleness, indolence, shiftlessness, sloth, phlegm, apathy, passivity, ennui, weariness, tiredness, lassitude, fatigue, sleepiness, drowsiness, enervation, somnolence, narcosis
    View synonyms
    1. 1.1Medicine A pathological state of sleepiness or deep unresponsiveness and inactivity.
      ‘a history of weight loss, lethargy, and fluid retention’
      • ‘Symptoms include vomiting, lethargy and frequently coma.’
      • ‘Symptoms include nausea, vomiting, lethargy and indifference.’
      • ‘Symptoms include lethargy and disorientation, as well as life-threatening seizures and respiratory distress.’
      • ‘Monitor for clinical symptoms such as nausea, vomiting, lethargy, edema, jaundice, and seizure breakthrough.’
      • ‘Some of the other side effects of the strong pain medications include confusion, lethargy and sleepiness.’

Origin

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

Pronunciation

lethargy

/ˈlɛθədʒi/