7
steam(noun, verb, warm, heat, reheat)
6
cook(verb, mark, warm, heat, reheat)
6
grill(verb, warm, heat, reheat, burn)
6
melt(verb, mark, warm, hot, heat)
6
sear(noun, verb, mark, warm, heat)
5
parch(verb, mark, heat, blacken, singe)
5
suffocate(verb, burn, sweat, perspire)
5
char(verb, mark, warm, heat, reheat)
5
fire(verb, warm, heat, reheat, burn)
5
fume(noun, excitement, agitation, heat, nervousness)
5
incandesce(verb, warm, heat, reheat, burn)
5
singe(verb, mark, warm, heat, reheat)
5
warm(verb, hot, heat, reheat, burn)
4
calorify(verb, warm, heat, reheat, burn)
4
chafe(verb, warm, heat, reheat, burn)
4
closeness(noun, warmth, humidity)
4
enflame(verb, warm, heat, reheat, burn)
4
enkindle(verb, warm, heat, reheat, burn)
4
fret(noun, verb, excitement, agitation, burn)
4
frizzle(verb, warm, heat, reheat, burn)
11 years ago|4.7k views|share |citing 
APASmart Define. (2015). swelter thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/swelter/thesaurus/synonyms
ChicagoSmart Define. 2015. "swelter thesaurus" https://smartdefine.org/swelter/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, swelter thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/swelter/thesaurus/synonyms>.
MLASmart Define. "swelter thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/swelter/thesaurus/synonyms>