muggier; muggiest
: unpleasantly warm and humid
Examples of muggy in a Sentence
a muggy day in August
It's very muggy out today.
Recent Examples on the Web
If your kitchen tends to feel damp, consider running a dehumidifier nearby during especially muggy months.
—
Jessica Safavimehr, Southern Living, 3 Mar. 2026
Saturday morning in the Bay Area was muggy and mild, if not warm.
—Zoe Mintz, CBS News, 28 Feb. 2026
Under this setup, rain chances remain low, but the changing atmospheric conditions will lead to warmer and somewhat muggy weather through the first part of the week.
—Anthony Franze, San Antonio Express-News, 2 Feb. 2026
On muggy evenings, her children wore their bathing suits and ran around in the splash pads; on cooler nights, the family played Uno.
—The Editors, Curbed, 15 Dec. 2025
See All Example Sentences for muggy
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Jessica Safavimehr, Southern Living, 3 Mar. 2026
Saturday morning in the Bay Area was muggy and mild, if not warm.
—Zoe Mintz, CBS News, 28 Feb. 2026
Under this setup, rain chances remain low, but the changing atmospheric conditions will lead to warmer and somewhat muggy weather through the first part of the week.
—Anthony Franze, San Antonio Express-News, 2 Feb. 2026
On muggy evenings, her children wore their bathing suits and ran around in the splash pads; on cooler nights, the family played Uno.
—The Editors, Curbed, 15 Dec. 2025
See All Example Sentences for muggy
Cite this Entry
“Muggy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/muggy. Accessed 4 Mar. 2026.
Copy CitationKids Definition
muggy
adjective
mug·gy
ˈməg-ē 
muggier; muggiest
: being warm and humid
a muggy day in August
mugginess
noun
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