mug·​gy | \ ˈmə-gē How to pronounce muggy (audio) \
muggier; muggiest

Definition of muggy

: being warm, damp, and close

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Other Words from muggy

mugginess \ ˈmə-​gē-​nəs How to pronounce mugginess (audio) \ noun

Synonyms & Antonyms for muggy


damp, humid, sticky, sultry



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Examples of muggy in a Sentence

a muggy day in August It's very muggy out today.

Recent Examples on the Web

Temperatures will continue to rise into the mid-80s through the week with humid and muggy conditions. Dixita Limbachia., Detroit Free Press, "Hottest weather of the year headed to metro Detroit as temps climb to upper 90s," 15 July 2019 Subscribe to the Wake Up,’s free morning newsletter, delivered to your inbox weekdays at 5:30 a.m. Weather The hot and muggy conditions continue today in the Cleveland area. Cliff Pinckard,, "Nate Gray was a key player in early FBI county corruption investigation: The Wake Up for Wednesday, July 3, 2019," 3 July 2019 Those who are spending time outside, such as by attending the kickoff to the Taste, should plan on drinking water to stay hydrated in the hot and muggy conditions. Katherine Rosenberg-douglas,, "Taste of Chicago opens on what could be hottest day so far of 2019," 28 June 2019 Warmer, muggier air may ride back northward toward our region from the Gulf of Mexico, making the 80s feel just a tad steamy at times. A. Camden Walker, Washington Post, "D.C.-area forecast: Enjoy today’s tranquility and comfort; heat arrives tomorrow," 11 May 2018 Hot and extremely muggy weather continues today just in time for the first day of summer! Dallas News, "NBC 5 Forecast: Hot and very muggy conditions continue," 21 June 2019 After a two-day reprieve, Philadelphia is in for another round of thunderstorms on what is expected to be a hot and muggy day. Joseph A. Gambardello,, "Thunderstorms back in Philly-area forecast," 5 June 2019 Saturday night could also see a few showers or storms, with muggier lows in the upper 60s to low 70s. Matt Rogers, Washington Post, "D.C.-area forecast: Showers and storms return before a drier, warmer rest of week," 22 May 2018 Confidence: High Tonight: Partly cloudy and a muggy mess, with dew points still in the 70s and lows ranging anywhere from the low 70s in the outer suburbs to the upper 70s in the city. Matt Rogers, Washington Post, "D.C.-area forecast: Mid-90s with higher humidity today, but nicer weekend ahead," 3 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'muggy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of muggy

1728, in the meaning defined above

History and Etymology for muggy

English dialect mug drizzle

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Statistics for muggy

Last Updated

19 Jul 2019

Look-up Popularity

Time Traveler for muggy

The first known use of muggy was in 1728

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More Definitions for muggy



English Language Learners Definition of muggy

: unpleasantly warm and humid


mug·​gy | \ ˈmə-gē How to pronounce muggy (audio) \
muggier; muggiest

Kids Definition of muggy

: being very warm and humid muggy weather

Other Words from muggy

mugginess noun

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More from Merriam-Webster on muggy

Rhyming Dictionary: Words that rhyme with muggy

Thesaurus: All synonyms and antonyms for muggy

Spanish Central: Translation of muggy

Nglish: Translation of muggy for Spanish Speakers

Comments on muggy

What made you want to look up muggy? Please tell us where you read or heard it (including the quote, if possible).


to shake or wave menacingly

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