It was an unforgiveable betrayal that changed the course of their friendship forever.

The unforgiveableness of his repeated betrayals made reconciliation impossible.

He acted unforgiveably when he revealed her secret at the party.

Her unforgiving attitude made reconciliation impossible after the argument.

It was unforgivable of him to lie to her after everything they'd been through.

The unforgivableness of his betrayal haunted her for years.

The unforgivers in the council refused to reconsider their verdict, deepening the town's divisions.

Even after apologies, the unforgiver in our family refused to reconcile, holding onto the past for years.

He acted unforgivably when he revealed her secret to the press.