- inexpiable
- adj1. irreparable, unrectifiable, irremediable; indefensible, inexonerable, unjustifiable; unforgiveable, inexcusable, unpardonable.2. serious, grave, mortal, capital, criminal, felonious; reprehensible, vile, heinous; sinful, bad, evil, wicked, villainous, nefarious, black, black-hearted.3. implacable, unappeasable, unplacatable, unpacifiable, not to be appeased or placated or pacified; merciless, unmerciful, pitiless, unpitying, unforgiving; hardhearted, stony-hearted, flinty, cold-blooded, heartless, uncompassionate, inhumane; inexorable, unrelenting, relentless, stern, strict, rigid, firm, unbending, unyielding; ruthless, cruel, harsh, grim, hard, severe.
A Note on the Style of the synonym finder. 2014.