ETYM Latin inviolabilis: cf. French inviolable. Related to Inviolate.
1. Must be kept sacred; SYN. inviolate, sacrosanct.
2. That cannot be transgressed or dishonored.
ETYM Latin invulnerabilis: cf. French invulnérable. Related to In- not, and Vulnerable.
Immune to attack; impregnable.
In a sacred manner, in an inviolable manner