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 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 Led by those two, the depth and tenacity of Argentina were on full display from the opening kick, with no signs of being lethargic despite having nothing to play for except national pride. — Steven Johnson, Fort Worth Star-Telegram, 28 June 2026 Wasn’t Messi just standing over there a few seconds earlier, looking downright lethargic? — Filip Bondy, New York Daily News, 22 June 2026 See All Example Sentences for lethargic

Recent Examples of Synonyms for lethargic

Adjective

No one predicted the sleepy backwater of Sassnitz would be rebranded ‘Crashnitz’ or ‘Smashnitz’ by the end of the first edition of the German Sail Grand Prix last year.

— Andrew Rice, New York Times, 20 Aug. 2026
During an allegedly sleepy period on the NBA schedule, the Lakers shook everyone awake with a blaring alarm.

— Los Angeles Times, Los Angeles Times, 18 Aug. 2026

Definition of sleepy

Adjective

In recent studies by AccuWeather experts, excessive rainfall can contribute to insect and fungus damage in parts of Pennsylvania, which may lead to duller colors and earlier leaf drop.

— Gabby Sartori, USA Today, 27 Aug. 2026
The city is flooded with dull and uninteresting structures clad in the material.

— Edward Keegan, Chicago Tribune, 23 Aug. 2026

Definition of dull

Adjective

Gap's Old Navy brand saw sluggish sales due to products that failed to land with shoppers — and not a larger macroeconomic issue, CEO Richard Dickson told CNBC at the time.

— Michelle Fox, CNBC, 27 Aug. 2026
For Starbucks, which only recently turned around sluggish sales, the PSL is a chance to focus attention on a signature product.

— Chris Isidore, CNN Money, 25 Aug. 2026

Definition of sluggish

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lethargic

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“Lethargic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lethargic. Accessed 2 Sep. 2026.

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Synonyms of lethargic

adjective

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