lethargy

leth·ar·gy
L1E1T1H4A1R1G2Y4
/ˈlɛθ.ə(ɹ).d͡ʒi/UK/ˈlɛθədʒɪ/UK/lɪˈθɑːdʒɪk/US/ˈlɛθ ər dʒi/

noun

A state of extreme torpor, sopor or apathy, especially with lack of emotion, energy or enthusiasm; (loosely) sluggishness, laziness.

Less commonFirst used 14th c.Scrabble 15

Meanings

nounlethargy (countable and uncountable, plural lethargies)

plural lethargies

  1. countableuncountableA state of extreme torpor, sopor or apathy, especially with lack of emotion, energy or enthusiasm; (loosely) sluggishness, laziness.First known use 14th c.

    Europe lay then under a deep lethargy.

    1687, Francis Atterbury, An Answer to Some Considerations on the Spirit of Martin Luther and the Original of the Reformation at Oxford, page 42
    4 more examples

    Gradually the darkened room seems to emerge from its shadows; familiar objects strike upon the senses—and memory is never so terribly distinct as on its first reviving from such momentary lethargy.

    1834, L[etitia] E[lizabeth] L[andon], chapter XXVII, in Francesca Carrara. […], volume II, London: Richard Bentley, […], (successor to Henry Colburn), →OCLC, page 285

    As already indicated, timekeeping is very poor. Point-to-point times are not kept, even with a clear road, and whilst fast running has never been a feature of the route because of the large number of junctions and speed restrictions, this Sunday night lethargy is hard to explain.

    1959 March, D. Bertram, “An old friend - the 9.7”, in Trains Illustrated, page 141

    Yakovlev, one of the architects of the reforms put in place by Mikhail Gorbachev, says he too is "amazed" at the government's lethargy.

    1995 March 20, Bruce W. Nelan, “Crime and Punishment”, in Time

    The increase in mining stocks helped the FTSE 100 shake off some earlier lethargy and close 9.8 points higher at 6270.8, despite the disappointment of unchanged UK interest rates.

    2008 May 9, Nick Fletcher, “Lethargic FTSE lifted by hopes of mining move”, in The Guardian
  2. countableuncountablemedicineA condition characterized by extreme fatigue or drowsiness, deep unresponsiveness, or prolonged sleep patterns.First known use 14th c.

    This Apoplexie is (as I take it) a kind of Lethargie, a sleeping of the blood, a horson Tingling.

    c. 1599, William Shakespeare, King Henry IV, Part 2
    1 more example

    So in order to avoid unpleasant side effects like lethargy and sexual dysfunction, most recent trials also gave men testosterone supplements.

    2003 October 20, Amanda Ripley, “At Last, the Pill for Men”, in Time

Synonyms & antonyms

nouna state of comatose torpor (as found in sleeping sickness)

nounweakness characterized by a lack of vitality or energy

Broader

nouninactivity; showing an unusual lack of energy

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekληθᾱργῐ́ᾱ“drowsiness”
  2. Late Latinlēthārgia
  3. Medieval Latinlitargia
  4. Middle Englishlitargie
  5. Englishlethargy

From Middle English litargie, from Medieval Latin litargia, from Late Latin lēthārgia, borrowed from Ancient Greek ληθᾱργῐ́ᾱ (lēthārgĭ́ā, “drowsiness”), from λήθᾱργος (lḗthārgos, “forgetful, lethargic”) + -ῐ́ᾱ (-ĭ́ā, adjectival suffix).

Full word history & related roots →

Translations

Ancient Greek λήθαργος
  • λήθαργος (lḗthargos)pathological state of fatigue
Arabic جُمُود, فُتُور
  • جُمُود (jumūd)state of extreme torpor or apathy
  • فُتُور (futūr)state of extreme torpor or apathy
  • خُمُول (ḵumūl)pathological state of fatigue
Bulgarian летаргия, вялост
  • летаргия (letargija)state of extreme torpor or apathy
  • вялост (vjalost)pathological state of fatigue
  • отпуснатост (otpusnatost)pathological state of fatigue
Catalan letargia, letargia
  • letargiastate of extreme torpor or apathy
  • letargiapathological state of fatigue
Chinese Mandarin 暮氣 /暮气, 疲勞 /疲劳
  • 暮氣 /暮气 (mùqì)state of extreme torpor or apathy
  • 疲勞 /疲劳 (píláo)pathological state of fatigue
Czech letargie, letargie
  • letargiestate of extreme torpor or apathy
  • letargiepathological state of fatigue
Danish letargi
  • letargipathological state of fatigue
Dutch onverschilligheid, lethargie
  • onverschilligheidstate of extreme torpor or apathy
  • lethargiestate of extreme torpor or apathy
  • lusteloosheidpathological state of fatigue
  • futloosheidpathological state of fatigue
  • slaapzuchtpathological state of fatigue
  • lethargiepathological state of fatigue
Esperanto letargio, letargio
  • letargiostate of extreme torpor or apathy
  • letargiopathological state of fatigue
Finnish letargia, uupumus
  • letargiastate of extreme torpor or apathy
  • uupumusstate of extreme torpor or apathy
  • saamattomuusstate of extreme torpor or apathy
  • letargiapathological state of fatigue
French léthargie, nonchalance
  • léthargiestate of extreme torpor or apathy
  • nonchalancestate of extreme torpor or apathy
  • langueurstate of extreme torpor or apathy
  • léthargiepathological state of fatigue
German Trägheit, Lethargie
  • Trägheitstate of extreme torpor or apathy
  • Lethargiestate of extreme torpor or apathy
  • Teilnahmslosigkeitstate of extreme torpor or apathy
  • Interesselosigkeitstate of extreme torpor or apathy
  • Nonchalancestate of extreme torpor or apathy
  • Lethargiepathological state of fatigue
  • Trägheitpathological state of fatigue
  • Schlafsuchtpathological state of fatigue
Greek λήθαργος, λήθαργος
  • λήθαργος (líthargos)state of extreme torpor or apathy
  • λήθαργος (líthargos)pathological state of fatigue
Indonesian letargi
  • letargipathological state of fatigue
Japanese 無関心, 昏睡
  • 無関心 (mukanshin)state of extreme torpor or apathy
  • 昏睡 (konsui)state of extreme torpor or apathy
  • 疲労 (hirō)pathological state of fatigue
Latin torpedo, torpedo
  • torpedostate of extreme torpor or apathy
  • torpedopathological state of fatigue
  • veternuspathological state of fatigue
Malay kelesuan, letargi
  • kelesuanpathological state of fatigue
  • letargipathological state of fatigue
Māori tīrohea, tūpakutanga
  • tīroheastate of extreme torpor or apathy
  • tūpakutangastate of extreme torpor or apathy
  • tīroheapathological state of fatigue
Norwegian letargi
  • letargipathological state of fatigue
Persian لتارژی
  • لتارژی (letārži)pathological state of fatigue
Portuguese letargia, letargia
  • letargiastate of extreme torpor or apathy
  • letargiapathological state of fatigue
Romanian letargie, letargie
  • letargiestate of extreme torpor or apathy
  • letargiepathological state of fatigue
Russian апати́чность, летарги́я
  • апати́чность (apatíčnostʹ)state of extreme torpor or apathy
  • летарги́я (letargíja)state of extreme torpor or apathy
  • вя́лость (vjálostʹ)pathological state of fatigue
  • уста́лость (ustálostʹ)pathological state of fatigue
  • утомле́ние (utomlénije)pathological state of fatigue
Spanish atonía, letargo
  • atoníastate of extreme torpor or apathy
  • letargostate of extreme torpor or apathy
  • aletargamientostate of extreme torpor or apathy
  • soporstate of extreme torpor or apathy
  • letargopathological state of fatigue
  • aletargamientopathological state of fatigue
Swedish letargi
  • letargipathological state of fatigue
Turkish letarji, uyuşukluk
  • letarjistate of extreme torpor or apathy
  • uyuşuklukstate of extreme torpor or apathy
  • uyuşuntustate of extreme torpor or apathy
  • uykuntustate of extreme torpor or apathy
  • letarjipathological state of fatigue
  • yorgunlukpathological state of fatigue
  • yorguntupathological state of fatigue
Cite this entry
APA

lethargy. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/lethargy

MLA

“lethargy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lethargy. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “lethargy,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/lethargy.

Source: lethargy on Wiktionary, CC BY-SA 4.0.