Torrid (3)
'torrid' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for sultry that I've seen before include "Hot and steamy" , "Oppressively humid - sensual" , "(Of weather) hot, humid" , "Hot, close (weather)" , "Such weather is close and oppressive" .)
'torrid' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for hot that I've seen before include "Very popular" , "SECOND PART OF 11" , "(Of goods) stolen (colloq.)" , "recently stolen" , "Radioactive; very warm" .)