Inviolable

прилагательное 1) нерушимый, непоколебимый 2) неприкосновенный

Большой англо-русский словарь

Inviolable

adjective Etymology: Middle English, from Middle French or Latin; Middle French, from Latin inviolabilis, from in- + violare to violate 1. secure from violation or profanation Example: an inviolable law 2. secure from assault or trespass; unassailable Example: inviolable bordersinviolability nouninviolableness nouninviolably adverb

Merriam-Webster's Collegiate Dictionary