/ ɪnˈvaɪələbl; NAmE / adjective
( formal ) that must be respected and not attacked or destroyed :
the inviolable right to life
inviolable territory
an inviolable rule
► in·viol·abil·ity / ɪnˌvaɪələˈbɪləti; NAmE / noun [ U ]
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WORD ORIGIN
late Middle English : from French , or from Latin inviolabilis , from in- not + violabilis able to be violated (from the verb violare ).