Youth is the noun form of young. Cruelty is a noun form of cruel. If you want a noun form of "young and cruel," then maybe: (juvenile) delinquent punk
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Youth is the noun form of young.
Cruelty is a noun form of cruel.
If you want a noun form of "young and cruel," then maybe:
(juvenile) delinquent
punk