say it: uhn-fur-GIV-ing
unforgiving is an adjective meaning "unwilling or unable to forgive or show mercy". It carries 2 recorded senses.
unwilling or unable to forgive or show mercy
“a surly unforgiving old woman”
not to be placated or appeased or moved by entreaty
“grim determination”
“grim necessity”
“Russia's final hour, it seemed, approached with inexorable certainty”
“relentless persecution”
“the stern demands of parenthood”
Definitions, synonyms and semantic relations for unforgiving come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.