Uncaring

3 clues
Cold
Lacking sympathy
Lacking compassion
Similar answers:
Abhorring
Aboutawildroaring
Accoutering
Acquiring
Adhering
Adheringto
Admiring
Adoring
Adoringly
Aiagstring
Aircoloring
Airing
Airingout
Airings
Aironthegstring
Alanturing
Alarmmonitoring
Alicesprings
Alltheringsmen
Alluring