Unpardonable (adjective)

Not able to be forgiven or excused.

Origin:

The word "unpardonable" is formed by the prefix "un-" which means not, and the word "pardonable" which means able to be forgiven or excused. together they form an adjective that means not able to be forgiven or excused.

Examples:

1. His betrayal was unpardonable, she could not forgive him.
2. Her actions were unpardonable, she could not be excused.
3. The crime was unpardonable, the perpetrator could not be forgiven.
4. The mistake was unpardonable, it could not be excused.
5. The insult was unpardonable, it could not be forgiven.