- [adjective] that cannot be transgressed or dishonored; "the person of the king is inviolable"; "an inviolable oath"
- [adjective] able to withstand attack; "an impregnable fortress"; "fortifications that made the frontier inviolable"
Synonyms: impregnable, secure, strong, unassailable, unattackable
- [adjective] must be kept sacred
Synonyms: inviolate, sacrosanct
- [adjective] not capable of being violated or infringed; "infrangible human rights"
Synonyms: absolute, infrangible