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
What To Know In a media advisory shared with Newsweek on Wednesday, AccuWeather said cooler air sweeping in and colliding with warm, muggy conditions will spark rounds of severe storms through the week’s end.
—
Joe Edwards, MSNBC Newsweek, 25 Sep. 2025
Also common: sitting in a muggy bathroom while the shower is running, or wrapping a super-hot, wet towel on their head.
—Megan McIntyre, Allure, 16 Sep. 2025
Has this summer been muggier than usual?
—Christopher Cann, USA Today, 13 Aug. 2025
Through July, 22 states from the Mississippi Valley to the East Coast have notched their muggiest start to summer since 1981, when the dataset of dew point temperatures used for CNN’s analysis began.
—Mary Gilbert, CNN Money, 12 Aug. 2025
See All Example Sentences for muggy
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Joe Edwards, MSNBC Newsweek, 25 Sep. 2025
Also common: sitting in a muggy bathroom while the shower is running, or wrapping a super-hot, wet towel on their head.
—Megan McIntyre, Allure, 16 Sep. 2025
Has this summer been muggier than usual?
—Christopher Cann, USA Today, 13 Aug. 2025
Through July, 22 states from the Mississippi Valley to the East Coast have notched their muggiest start to summer since 1981, when the dataset of dew point temperatures used for CNN’s analysis began.
—Mary Gilbert, CNN Money, 12 Aug. 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 9 Nov. 2025.
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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