Irremissible

Ir`re·mis'si·ble adjective [ Latin irremissibilis : confer French irrémissible . See In- not, and Remissible .] Not remissible; unpardonable; as, irremissible crimes. Burke. -- Ir`re*mis'si*ble , noun -- Ir`re*mis'si...
Found on http://www.encyclo.co.uk/webster/I/98

Irremissible

• (a.) Not remissible; unpardonable; as, irremissible crimes.
Found on http://thinkexist.com/dictionary/meaning/irremissible/

irremissible

that cannot be forgiven; unpardonable
Found on http://phrontistery.info/i.html
No exact match found