LETHARGIC Synonyms: 60 Similar and Opposite Words

lethargic

adjective

lə-ˈthär-jik

Definition of lethargic

as in sleepy

slow to move or act a big meal always makes me feel lethargic and sleepy

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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 lethargic Female mice dosed with QACs lost interest in food, became lethargic and short of breath, and began to lose muscle control during late pregnancy. — Sandee Lamotte, CNN Money, 7 Aug. 2026 The expansion to California’s film and TV tax credit program hasn’t notably curbed lethargic production levels in Los Angeles, at least not yet. — Winston Cho, HollywoodReporter, 23 July 2026 Signs of heat stroke in dogs include heavy panting and drooling, being weak or lethargic, bright red gums and bloodshot eyes. — Renee Anderson, CBS News, 29 June 2026 When to Contact a Wildlife Rehabilitator Always contact a wildlife rehabilitator if the turtle appears injured, such as having a cracked shell, or seems lethargic or sick. — Michelle Mastro, Martha Stewart, 29 June 2026 See All Example Sentences for lethargic

Recent Examples of Synonyms for lethargic

Adjective

Meanwhile, angry residents continue to flood once-sleepy municipal board meetings, pressuring officials to reject data center proposals.

— Marc Levy, Los Angeles Times, 22 Oct. 2026
What was once a boring, sleepy issue where the PUC made decisions more or less in a vacuum is no longer the case.

— Jordan Blum, Fortune, 18 Oct. 2026

Definition of sleepy

Adjective

Like scoops of an ocean unmarred by humans, quarts of seaweed soup sit next to other flavors like spicy beef and pine nut and soybean, a shade of creamy beige so calming, one glance is enough to effectively absolve the color of its dull reputation.

— Vanessa Anderson, Los Angeles Times, 21 Oct. 2026
If your skin's looking a little dull or feeling rough, the best alpha hydroxy acid products might be exactly what your routine is missing.

— Christa Joanna Lee, Allure, 21 Oct. 2026

Definition of dull

Adjective

The luxury market is still facing a sluggish recovery, particularly in China, as consumers only become more selective about spending.

— Yiling Pan, Vogue, 20 Oct. 2026
However, the stock is unlikely to sustain that momentum due to sluggish sales of its latest mobile phones, the iPhone 18 Pro and Pro Max, per Baruah.

— Liz Napolitano, CNBC, 20 Oct. 2026

Definition of sluggish

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“Lethargic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lethargic. Accessed 27 Oct. 2026.

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Synonyms of lethargic

adjective

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