Less warmhearted (5)
I believe the answer is:
icier
(Other definitions for icier that I've seen before include "rather cold" , "increasingly frigid" , "Colder even than 31 Across" , "Even more frozen" , "More slippery" .)
I believe the answer is:
icier
(Other definitions for icier that I've seen before include "rather cold" , "increasingly frigid" , "Colder even than 31 Across" , "Even more frozen" , "More slippery" .)