SOMNOLENCE Synonyms: 21 Similar and Opposite Words

somnolence

noun

ˈsäm-nə-lən(t)s

Definition of somnolence

as in sleepiness

the quality or state of desiring or needing sleep somnolence is likely to be the most typical and telling reaction to this novel

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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 somnolence Russia took advantage of decades of somnolence in Europe to try to exploit its neighbors’ reliance on Russian gas after the invasion of Ukraine. — Henry Farrell, Foreign Affairs, 19 Oct. 2023 The company warns of the potential for diarrhea, nausea, headaches, dizziness, and somnolence (excessive or sudden sedation). — Beth Ann Mayer, Parents, 13 Aug. 2023 If successful, Murray wants the Senate to awake from its somnolence the past few months and years, having a free-flowing debate with lots of amendments considered. — Paul Kane, Anchorage Daily News, 27 July 2023 More little dramas are unfolding across South Korean boardrooms as activist investors become more assertive after a long period of somnolence. — Jacky Wong, WSJ, 28 Mar. 2023 See All Example Sentences for somnolence

Recent Examples of Synonyms for somnolence

Noun

Advertisement Tell your doctor about the pauses, gasping, and any daytime sleepiness.

— Angela Haupt, Time, 16 Oct. 2026
Hufanga explained that the drink’s effects can act like alcohol, inducing muscle relaxation, sleepiness, and feelings of well-being.

— Sam Jane, Denver Post, 29 Sep. 2026

Definition of sleepiness

Noun

The Cleveland Clinic notes that as bedtime approaches, the body begins lowering its core temperature as part of the circadian rhythm that signals drowsiness.

— Hanna Wickes, Fort Worth Star-Telegram, 22 Oct. 2026
In addition, both magnesium and L-theanine do not cause daytime drowsiness, so they can be taken at any time.

— Emmanuella Ogbonna, HEALTH, 2 Oct. 2026

Definition of drowsiness

Noun

Indeed, even after modern jeans were invented in the late 19th century, denim continued to be used to make such apparel as work jackets, prison uniforms, naval fatigues, and jumpsuits.

— Britannica Editors, Encyclopedia Britannica, 23 Oct. 2026
But many live with fatigue, weakness, brain fog and other symptoms for months or years before a deficiency is caught.

— Amanda Schupak, CNN Money, 23 Oct. 2026

Definition of fatigue

Browse Nearby Words

somniferous

somnolence

somnolent

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Style

“Somnolence.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/somnolence. Accessed 30 Oct. 2026.

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Synonyms of somnolence

noun

Example Sentences

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