sweltering

adjective

swel·​ter·​ing ˈswel-t(ə-)riŋ How to pronounce sweltering (audio)
Synonyms of swelteringnext
: oppressively hot
swelteringly adverb

Examples of sweltering in a Sentence

the air conditioning was broken, and it was sweltering in the office
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.
Houdry’s catalytic invention couldn’t work with leaded gasoline, and it hadn’t been tested in tough conditions, such as freezing cold or sweltering heat. Ann E. Carlson, The Conversation, 31 Mar. 2026 Williams and her wife, Julie, both of Lakewood, sat in Section 123 inside a sweltering Empower Field with their senior poodle Janelle, a 13-year-old service dog with poor hearing and no teeth. Sean Keeler, Denver Post, 29 Mar. 2026 While the California Supreme Court considers this important issue, of broader and more immediate concern to San Diego employers and employees are the rules that apply to sweltering workplaces. Dan Eaton, San Diego Union-Tribune, 23 Mar. 2026 The sweltering temperatures are arriving months earlier than typical and communities have not had time to acclimate, making the early-season heat particularly dangerous, experts say. Hannah Fry, Los Angeles Times, 17 Mar. 2026 See All Example Sentences for sweltering

Word History

First Known Use

1566, in the meaning defined above

Time Traveler
The first known use of sweltering was in 1566

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Cite this Entry

“Sweltering.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sweltering. Accessed 5 Apr. 2026.

Kids Definition

sweltering

adjective
swel·​ter·​ing
: very hot
swelteringly adverb

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