unforgiving
adjective
1. unwilling or unable to forgive or show mercy
- a surly unforgiving old woman
Similar word(s): revengeful, vengeful, vindictive
2. not relenting; having no pity; not being or becoming lenient, mild, gentle, or merciful; unyielding.
Similar word(s): implacable, grim, inexorable, relentless, stern, unappeasable, unrelenting
Sentences with unforgiving as an adjective:
- The electorate was in an unforgiving mood.
- The unforgiving Arctic climate makes short work of the unprepared.