Harshness
Part of speech: noun
Definition: The quality of being harsh.
Example sentence: Most of us enter adult life with great ambitions for how we will start our own ventures, but the harshness of life wears us down. We settle into some job and slowly give in to the illusion that our bosses care about us and our future, that they spend time thinking of our welfare.
Cruelty
Part of speech: noun
Definition: an indifference to suffering or positive pleasure in inflicting suffering.a cruel act
Example sentence: Fear is the parent of cruelty.