irremissible
Concise Oxford English Dictionary © 2008 Oxford University Press:
irremissible/ɪrɪˈmɪsɪb(ə)l/
▶adjective rare
- 1 (of a crime) unpardonable.
- 2 (of an obligation or duty) binding.
– origin ME: from OFr., or from eccles. L. irremissibilis.
'irremissible' also found in these Oxford entries:

