say it: SWEL-tree
sweltry is an adjective meaning "excessively hot and humid or marked by sweating and faintness". It carries one recorded sense.
excessively hot and humid or marked by sweating and faintness
“a sweltering room”
“sweltering athletes”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for sweltry come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.