unpardonable

/ ʌnˈpɑːdənəbəl /

adjective

1. not excusable; disgraceful

Example Sentences

In 1999, his dismissal of Nato's military action in Yugoslavia as "unpardonable folly" was widely criticised.

From BBC

Salmond described the Nato action as "an act of dubious legality, but, above all, one of unpardonable folly" and was heavily criticised for his comments.

From BBC

After last November's guilty verdict from a jury in Los Angeles, US Attorney Martin Estrada said the deaths had been caused by the ship captain's "unpardonable cowardice".

From BBC

Israel’s attack on three vehicles of the World Central Kitchen—which has fed thousands of war victims and refugees in Gaza, Israel, Ukraine, and other areas in crisis—was unpardonable, whatever the findings of an official investigation into how it took place.

From Slate

When Harvard president Claudine Gay answered Stefanik’s genocide question by saying that although she found antisemitic speech “personally abhorrent,” Harvard would punish it only if it crossed the line “into conduct that amounts to bullying, harassment, intimidation,” she unintentionally reinforced Stefanik’s charge that antisemitic speech always constitutes bullying, harassment and intimidation, and that Gay’s reluctance to say so was an unpardonable moral failure.

From Salon