Unpardonably
Part of speech: adverb
Definition: In an unpardonable manner.
Inexcusably
Part of speech: adverb
Definition: In an inexcusable manner.
Unpardonably as an adverb is in an unpardonable manner. while Inexcusably as an adverb is in an inexcusable manner.
Part of speech: adverb
Definition: In an unpardonable manner.
Part of speech: adverb
Definition: In an inexcusable manner.
We hope you now know whether to use Unpardonably or Inexcusably in your sentence.