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Synonyms

sweltering

American  
[swel-ter-ing] / ˈswɛl tər ɪŋ /

adjective

  1. suffering oppressive heat.

  2. characterized by oppressive heat; sultry.


sweltering British  
/ ˈswɛltərɪŋ /

adjective

  1. oppressively hot and humid

    a sweltering day

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • swelteringly adverb
  • unsweltering adjective

Etymology

Origin of sweltering

First recorded in 1565–75; swelter + -ing 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Lyberth said the cool climate was "very good for leafy greens", in contrast to Europe's sweltering, drought-wracked summers.

From Barron's • Feb. 17, 2026

About 10 miles south is the sweltering city of Cabimas, an iconic venue in Venezuela’s petroleum narrative.

From Los Angeles Times • Feb. 15, 2026

Sinner was undoubtedly the biggest winner on a sweltering day where play was suspended and almost 100,000 fans were warned to take care in the heat.

From BBC • Jan. 24, 2026

His cell lacks air conditioning and is sweltering much of the year.

From The Wall Street Journal • Jan. 20, 2026

They arrive home from the hospital courtesy of Dr. Gupta, who owns a car, and sit in the sweltering living room, in front of their only box fan, suddenly a family.

From "The Namesake" by Jhumpa Lahiri