Unforgivable
Part of speech: adjective
Definition: Not forgivable
Unpardonable
Part of speech: adjective
Definition: impossible to pardon; impossible to excuse or justify
Unforgivable as an adjective is not forgivable while Unpardonable as an adjective is impossible to pardon; impossible to excuse or justify
Part of speech: adjective
Definition: Not forgivable
Part of speech: adjective
Definition: impossible to pardon; impossible to excuse or justify
We hope you now know whether to use Unforgivable or Unpardonable in your sentence.