Irremissible

Ir′re‐mis″si‐ble (?), a. [L. irremissibilis: cf. F. irrémissible. See In- not, and Remissible.] Not remissible; unpardonable; as, irremissible crimes. Burke. — Ir′re‐mis″si‐ble, n. — Ir′re‐mis″si‐bly, adv.