Inhumane is a related term of unsparing.
As adjectives the difference between inhumane and unsparing
is that inhumane is lacking pity or compassion for misery and suffering; cruel, unkind, not humane while unsparing is without sparing.
inhumane
English
Adjective
(
en adjective)
lacking pity or compassion for misery and suffering; cruel, unkind, not humane.
Antonyms
* humane
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