unpity means the lack or absence of pity; pitilessness; ruthlessness. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
noun
- The lack or absence of pity; pitilessness; ruthlessness.“Destroy, with entire unpity, raze to the ground, those detestable houses where you billet the progeny of the libertinage of the poor, appalling cloacas, wherefrom there every day spews forth into society a swarm of new-made creatures […]”