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

Booksellers like Payne typically post their holdings on multiple websites, such as AbeBooks, Alibris, Amazon, and Biblio, with Alibris widely considered to be the sleepiest revenue stream of the bunch.

— Francesca Mancino, New Yorker, 8 Sep. 2026
For most of their lives, the tracks were a sleepy industrial bypass known as the Elgin, Joliet & Eastern Railway.

— John Lippert, Chicago Tribune, 6 Sep. 2026

Definition of sleepy

Adjective

Coach Sean McVay’s strategy of arriving the day before the game backfired and resulted in a dull performance by a team featuring some of the NFL’s biggest stars.

— Los Angeles Times, Los Angeles Times, 11 Sep. 2026
If Khrzhanovsky’s goal was re-creating social and cultural conditions to capture drama at its purest, then the result merely proves Hitchcock’s refrain that drama is life with dull bits cut out.

— Siddhant Adlakha, IndieWire, 9 Sep. 2026

Definition of dull

Adjective

After a strong World Cup, Richards, like Palace, has gotten off to a sluggish and disappointing start to the season.

— Felipe Cardenas, New York Times, 16 Sep. 2026
The William Carter Company Children’s clothing brand Carter’s is undergoing a revamp to better align with the new generation of parents as its namesake company tries to recover from sluggish performance in recent years.

— Laya Neelakandan, CNBC, 15 Sep. 2026

Definition of sluggish

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lethargic

lethargically

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“Lethargic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lethargic. Accessed 18 Sep. 2026.

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Synonyms of lethargic

adjective

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