sweltering
verb
Meaning
To suffer terribly from intense heat.
To perspire greatly from heat.
To cause to faint, to overpower, as with heat.
noun
Meaning
The situation of being or feeling hot and humid.
adjective
Meaning
(of weather) hot and humid; oppressively sticky
"The day was sweltering, so Lauren put on the shortest pair of shorts she could find and went to get ice-cream with her friend Rob."