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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

Etymology

Origin of sweltering

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

Explanation

Sweltering means uncomfortably hot. Walking home from work on a sweltering day will leave you sweating. A sweltering summer afternoon might cause you to turn on the air conditioning in your apartment or take a cool shower. To be sweltering is more than merely being hot — it's the kind of damp, intense heat that sends everyone to the pool or beach for some relief. The verb swelter came first, from the now obsolete word swelten, "be faint from heat," rooted in the Old English sweltan, "to die or perish."

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Vocabulary lists containing sweltering

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.

But Emma Bacon, who founded Sweltering Cities, argues that meaningful progress will require bigger policy shifts.

From BBC • Dec. 29, 2023

Sweltering classrooms are becoming the norm in Seattle-area school buildings, many of which have no or poor air conditioning systems.

From Seattle Times • Jul. 31, 2023

Sweltering spring temperatures in South Asia, topping 50 degrees Celsius, are likely to have warmed the Indian Ocean.

From Reuters • Sep. 1, 2022

Sweltering lava flows through the astonishing footage in “Fire of Love,” a blazingly lyrical documentary that equally considers an indomitable force of nature and the incomprehensible manifestations of human affection.

From Los Angeles Times • Jul. 13, 2022

Sweltering heat followed the rising of the sun, and, as it lighted up the desert with its glare, Grace stopped and began her survey of the horizon as requested by the guide.

From Grace Harlowe's Overland Riders on the Great American Desert by Flower, Jessie Graham [pseud.]