lethargic

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UK/lɪˈθɑː.d͡ʒɪk/British, Southern, Standard/ləˈθɑː.d͡ʒɪk/Canada, US/lɪˈθɑɹd͡ʒɪk/Canada, US/ləˈθɑɹd͡ʒɪk/

adjective

Sluggish, slow.

Opposite
UncommonScrabble 15

Meanings

adjectivelethargic (comparative more lethargic, superlative most lethargic)

comparative more lethargic · superlative most lethargic · alternative obsolete lethargick

  1. Sluggish, slow.

    She was, in fact, constitutionally impervious to statistics and preferred to study the be-headphoned group of fifteen or so lethargic wanderers who were taking even less notice of the remorseless squawkings than she was.

    1968, Christopher Hodder-Williams, “Hands”, in Fistful of Digits, London: Coronet Books, published 1972, →ISBN, page 125
    1 more example

    [That cat] hasn't caught a mouse since he was a slip of a kitten. Except when eating, he does nothing but sleep. Lethargic is the word that springs to the lips. If you cast an eye on him, you will see that he's asleep now.

    1960, P. G. Wodehouse, Jeeves in the Offing, chapter VII

    Synonyms: torpid, lazy, unmoving, abeyant, at rest, cessant, dormant, dull

Synonyms & antonyms

More synonyms by meaning

adjectivedeficient in alertness or activity

Opposite

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekληθαργικός
  2. Englishlethargic

Learned borrowing from Ancient Greek ληθαργικός (lēthargikós), from λήθαργος (lḗthargos, “forgetful, lethargic”), from λήθη (lḗthē, “a forgetting, forgetfulness”) (from which Lethe (“river in Hades”)) + ἀργός (argós, “not working”). By surface analysis, lethargy + -ic.

Full word history & related roots →

Translations

Ancient Greek λήθαργος
  • λήθαργος (lḗthargos)sluggish, indifferent
Bulgarian сънлив, отпуснат
  • сънлив (sănliv)sluggish, indifferent
  • отпуснат (otpusnat)sluggish, indifferent
  • апатичен (apatičen)sluggish, indifferent
Catalan letàrgic
  • letàrgicsluggish, indifferent
Chinese Mandarin 昏睡的
  • 昏睡的sluggish, indifferent
Finnish unelias, veltto
  • uneliassluggish, indifferent
  • velttosluggish, indifferent
  • veteläsluggish, indifferent
French mollasson, léthargique
  • mollassonsluggish, indifferent
  • léthargiquesluggish, indifferent
German träge
  • trägesluggish, indifferent
Hindi आलसी
  • आलसी (ālsī)sluggish, indifferent
Irish marbhánta
  • marbhántasluggish, indifferent
Italian letargico
  • letargicosluggish, indifferent
Māori ārangirangi
  • ārangirangisluggish, indifferent
Portuguese letárgico
  • letárgicosluggish, indifferent
Russian вя́лый, апати́чный
  • вя́лый (vjályj)sluggish, indifferent
  • апати́чный (apatíčnyj)sluggish, indifferent
Spanish tardo, letárgico
  • tardosluggish, indifferent
  • letárgicosluggish, indifferent
Swedish letargisk
  • letargisksluggish, indifferent
Turkish uyuz
  • uyuzsluggish, indifferent
Cite this entry
APA

lethargic. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/lethargic

MLA

“lethargic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lethargic. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “lethargic,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/lethargic.

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