Not cool - not cool at all!

I believe the answer is:

warm

(Other definitions for warm that I've seen before include "Animated" , "Near to finding hidden object" , "Having moderate heat" , "Tepid" , "Intimate - with a comfortable temperature" .)

I've seen this clue in The New York Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.