#1 inviolable a. incapable of being transgressed or dishonored; "the person of the king is inviolable"; "an inviolable oath". wn
#2 inviolable s. [impregnable, secure, strong, unassailable, unattackable] immune to attack; incapable of being tampered with; "an impregnable fortress"; "fortifications that made the frontier inviolable"; "a secure telephone connection". wn
#3 inviolable s. [inviolate, sacrosanct] must be kept sacred. wn
#4 inviolable s. [absolute, infrangible] not capable of being violated or infringed; "infrangible human rights". wn
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