as in drowsiness
the quality or state of desiring or needing sleep
the truck driver keeps a thermos of coffee with him to stave off sleepiness
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for sleepiness
Noun
-
Comic book fatigue, boycotts and even just quality have affected recent releases for Marvel.—
Rosa Escandon,
Forbes.com,
24 Apr. 2025 -
Symptoms include itchy skin and night sweats, as well as abdominal pain, fever, and fatigue.—
Cara Lynn Shultz,
People.com,
23 Apr. 2025
Noun
-
The people went to the emergency department with tachycardia, confusion, anxiety or somnolence, and nausea after eating gummy candies labeled as containing Amanita muscaria mushrooms.—
Beth Mole,
Ars Technica,
19 July 2024
-
Organized labor shows corporate managements who’s the boss: This year continued the strengthening of union power after decades of somnolence.—
Michael Hiltzik,
Los Angeles Times,
21 Dec. 2023
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.
Cite this Entry
“Sleepiness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sleepiness. Accessed 2 May. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share