Not violable; not susceptible of hurt, wound, or harm (used with respect to either physical or moral damage); not susceptible of being profaned or corrupted; sacred; holy; as, inviolable honor or chastity; an inviolable shrine
If a country says its borders are inviolable, it means they must not be changed or crossed without permission. Yesterday's resolution says the present Polish border is `inviolable'. + inviolability in·vio·labil·ity Parliament has recognised the inviolability of the current border. an inviolable right, law, principle etc is extremely important and should be treated with respect and not broken or removed (inviolabilis, from violare )