as in boredom
physical or mental inertness the doctor suspected that the patient's depression and lethargy were a result of seasonal affective disorder

Synonyms & Similar Words

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How does the noun lethargy contrast with its synonyms?

Some common synonyms of lethargy are languor, lassitude, stupor, and torpor. While all these words mean "physical or mental inertness," lethargy implies such drowsiness or aversion to activity as is induced by disease, injury, or drugs.

months of lethargy followed my accident

When would languor be a good substitute for lethargy?

The words languor and lethargy are synonyms, but do differ in nuance. Specifically, languor suggests inertia induced by an enervating climate or illness or love.

languor induced by a tropical vacation

When is lassitude a more appropriate choice than lethargy?

The words lassitude and lethargy can be used in similar contexts, but lassitude stresses listlessness or indifference resulting from fatigue or poor health.

a depression marked by lassitude

Where would stupor be a reasonable alternative to lethargy?

Although the words stupor and lethargy have much in common, stupor implies a deadening of the mind and senses by shock, narcotics, or intoxicants.

lapsed into an alcoholic stupor

When is it sensible to use torpor instead of lethargy?

The meanings of torpor and lethargy largely overlap; however, torpor implies a state of suspended animation as of hibernating animals but may suggest merely extreme sluggishness.

a once alert mind now in a torpor

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of lethargy Owners concerned whether or not their dog is experiencing a phantom pregnancy can look for the following symptoms: mammary development, lactation, enlarged belly, loss of appetite, lethargy, vomiting, nesting, being protective of small inanimate objects and restlessness or aggression. Kristen Waggoner, Newsweek, 21 Jan. 2025 But she was bothered by the attendant weight gain and lethargy. Sarah Stillman, New Yorker, 14 Apr. 2025 Other symptoms of milk allergy can include vomiting, diarrhea, rectal bleed, lethargy, etc. Newsweek Staff, MSNBC Newsweek, 4 Apr. 2025 Health officials are warning pet owners to watch for symptoms in their pets, including lethargy, low appetite, fever and progression of the illness to pneumonia or neurological abnormalities or upper respiratory infection. Sarah Fortinsky, The Hill, 27 Feb. 2025 See All Example Sentences for lethargy
Recent Examples of Synonyms for lethargy
Noun
  • Some people snack at night to cope with stress, boredom, or sadness.
    Johna Burdeos, Health, 8 Apr. 2025
  • Quotidian excursions to the post office or the bank can create valuable opportunities for boredom, too.
    The Learning Network, New York Times, 21 Mar. 2025
Noun
  • Maryland, which trailed 20-9 midway through the first half, stumbled out of its early stupor and went on a 7-0 run to get back in the game.
    Christian Babcock, Mercury News, 28 Mar. 2025
  • German movies of the 1970s will forever be linked with the New German Cinema movement, the auteur directors — led by the likes of Rainer Werner Fassbinder, Werner Herzog, Wim Wenders, Margarethe von Trotta and Volker Schlöndorff — who shook the country out of its postwar stupor.
    Scott Roxborough, The Hollywood Reporter, 13 Feb. 2025

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Cite this Entry

“Lethargy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lethargy. Accessed 3 May. 2025.

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