IRREMISSIBLE

Etymology

Adjective

irremissible (comparative more irremissible, superlative most irremissible)

Not remissible.

Synonyms: unforgivable, unpardonable

Antonyms: forgivable, pardonable, remissible

Source: Wiktionary

Ir`re*mis"si*ble, a. Etym: [L. irremissibilis: cf. F. irrémissible. See In- not, and Remissible.]

Definition: Not remissible; unpardonable; as, irremissible crimes. Burke.

– Ir`re*mis"si*ble, n.

– Ir`re*mis"si*bly, adv.

Source: Webster’s Unabridged Dictionary 1913 Edition