warmer (10)
'warmer' is the definition.
('hot' is associated in meaning with 'warm')
This is all the clue.
(Other definitions for hotter that I've seen before include "less cold maybe" , "Having higher temperature" , "More warm" , "Warmer" , "young car thief" .)
'warmer' is the definition.
('friendly' can be a synonym of 'warm')
This is the entire clue.
(Other definitions for friendlier that I've seen before include "becomes warmer" , "More amicable" .)