1
fusty(adjective, heavy, tight, oppressive, humid)
1
grilling
1
incandescent(adjective, warm, heated, burning, white)
1
moldy(adjective, heavy, tight, oppressive, humid)
1
motionless(adjective, heavy, tight, oppressive, humid)
1
muggy(adjective, heavy, hot, tight, oppressive)
1
musty(adjective, heavy, tight, oppressive, humid)
1
on fire(expression, adjective, warm, heated, white)
1
oppressive(adjective, hot, tight, scorching, sticky)
1
overheated
1
parching(adjective, warm, heated, burning, white)
1
piping(adjective, warm, heated, burning, white)
1
red(adjective, warm, heated, burning, white)
1
red hot
1
searing(adjective, warm, heated, burning, white)
1
seething
1
sizzling(adjective, warm, hot, heated, white)
1
stagnant(adjective, heavy, tight, oppressive, humid)
1
stale-smelling(adjective, heavy, tight, oppressive, stifling)
1
steaming(adjective, warm, heated, burning, white)
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APASmart Define. (2015). sweltry thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sweltry/thesaurus/synonyms
ChicagoSmart Define. 2015. "sweltry thesaurus" https://smartdefine.org/sweltry/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, sweltry thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sweltry/thesaurus/synonyms>.
MLASmart Define. "sweltry thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/sweltry/thesaurus/synonyms>