muggy

adjective

mug·​gy ˈmə-gē How to pronounce muggy (audio)
muggier; muggiest
Synonyms of muggynext
: unpleasantly warm and humid
mugginess noun

Examples of muggy in a Sentence

a muggy day in August It's very muggy out today.
Recent Examples on the Web
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.
The rankings also accounted for humidity comfort and gave boosts to stretches of road that experience less than five muggy days. Michael Cappetta, Travel + Leisure, 23 Apr. 2026 While the last few days were mostly muggy with high dew points around 62 degrees Fahrenheit, putting a damper on potential wildfires, the next several days will see lower dew points, according to Royse. Stephen Underwood, Hartford Courant, 21 Apr. 2026 The advancing hot, dry air is actually heavier than muggy air, and this dry air pushes the moist air upward, disrupting the cap. Perry Samson, The Conversation, 23 Mar. 2026 If your kitchen tends to feel damp, consider running a dehumidifier nearby during especially muggy months. Jessica Safavimehr, Southern Living, 3 Mar. 2026 See All Example Sentences for muggy

Word History

Etymology

English dialect mug drizzle

First Known Use

1728, in the meaning defined above

Time Traveler
The first known use of muggy was in 1728

Browse Nearby Words

Cite this Entry

“Muggy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/muggy. Accessed 2 May. 2026.

Kids Definition

muggy

adjective
mug·​gy ˈməg-ē How to pronounce muggy (audio)
muggier; muggiest
: being warm and humid
a muggy day in August
mugginess noun

More from Merriam-Webster on muggy

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster