unpardonably
un·par·do·nably
adverb
1.
in an unpardonable manner or to an unpardonable degree
- “he was inexcusably cruel to his wife”
Origin
From unpardonable + -ly.
Related words
Pertaining to
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.