sweltering

adjective

swel·​ter·​ing ˈswel-t(ə-)riŋ 

: oppressively hot

swelteringly adverb

Synonyms of sweltering

• boiling
• searing
• hot
• burning
• molten

Examples of sweltering in a Sentence

the air conditioning was broken, and it was sweltering in the office

Recent Examples on the Web

The annual Tillman Rally has come a long way from the sweltering airport hangar where hundreds of Republican activists once crowded in with hand fans and ice-cold lemonade. — Adam Beam, AJC.com, 10 Aug. 2026

His story is one rife with terror, pain and a sweltering rage that has usurped everything around him. — Aramide Tinubu, Variety, 8 Aug. 2026

This week, PCMag's security team touched down in the sweltering heat of Las Vegas to join thousands of hackers, researchers, and enterprise defenders at Black Hat. — Kim Key, PC Magazine, 8 Aug. 2026

Despite sweltering heat, their meticulously choreographed one hour set on the Allianz stage, broadcast globally via the festival's Hulu/Disney+ livestream, captivated hundreds of fans waving Filipino flags. — Jim Ryan, Forbes.com, 7 Aug. 2026

Word History

First Known Use

1566, in the meaning defined above

Rhymes for sweltering

• sheltering
• weltering

Kids Definition

sweltering

adjective

swel·​ter·​ing

: very hot

swelteringly adverb