Synonyms of sweltering

sweltering 1 of 2

adjective

ˈswel-t(ə-)riŋ 

as in boiling

having a notably high temperature

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

Synonyms & Similar Words

• boiling
• searing
• hot
• burning
• molten
• broiling
• heated
• scorching
• torrid
• red
• sultry
• warm
• warmed
• white-hot
• superheated
• roasting
• scalding
• fiery
• fervent
• fervid
• red-hot
• ardent
• piping hot
• blazing
• seething
• ultrahot
• sizzling
• glowing
• igneous
• overheated
• muggy
• tropical
• steamy
• warmish
• toasty
• feverish
• flushed
• reheated
• inflamed
• snug
• summery
• summerlike
• canicular

Antonyms & Near Antonyms

• cold
• freezing
• frigid
• icy
• frozen
• glacial
• arctic
• chilly
• ice-cold
• iced
• bitter
• cool
• chill
• snowy
• nippy
• frosty
• wintry
• bone-chilling
• algid
• subzero
• coolish
• snappy
• cooled
• unheated
• coldish
• chilled
• refrigerated
• subfreezing
• shivering
• benumbed
• numb
• blizzardly

sweltering

2 of 2

verb

present participle of swelter

as in scorching

Related Words

• scorching
• melting
• broiling
• baking
• cooking
• roasting
• flickering
• smoldering
• wavering
• sputtering
• charring
• sparking
• lighting (up)
• radiating
• beaming
• shining
• glittering
• gleaming
• glistening
• shimmering
• flaring (up)
• brightening
• igniting
• guttering
• beating (down)
• glaring
• glimmering
• sparkling
• kindling
• glinting
• scintillating
• blazing
• deflagrating
• firing
• flashing
• glowing
• twinkling
• burning
• flaming
• combusting
• enkindling
• catching

Example Sentences

Recent Examples of sweltering

Adjective

Michigan is forecast to experience a sweltering summer-like week, and officials have issued a heat advisory for southwest Michigan counties where the heat index is expected to reach 100 degrees. — Sarah Moore, Freep.com, 1 Sep. 2026

Daisy Chain Fields arrived on a sweltering summer Saturday, plopped in the middle of Irvine’s suede hills, inside Orange County lines. — Mikael Wood, Los Angeles Times, 30 Aug. 2026

By the time Olivia Rodrigo hit the stage to headline the inaugural Daisy Chain Fields festival, the sun had set on a sweltering day, and anyone who was fading was sure to feel reenergized both from a welcome breeze and from Rodrigo’s set. — Elisabeth Garber-Paul, Rolling Stone, 30 Aug. 2026

And then, another unexpected trial was the sweltering hot summer day dipping into the mid-50s after the sun sank into the horizon, as well as evening dew emerging across the grassy terrain. — Vanessa Carlson Bender, Sioux Falls Argus Leader, 30 Aug. 2026