1. graded adjective & adjective
If a law or principle is inviolable, you must not break it. [formal] ⇒ The game had a single inviolable rule: obstacles were to be overcome, not circumvented.
2. adjective If a country says its borders are inviolable, it means they must not be changed or crossed without permission. [formal] ⇒ Yesterday's resolution says the present Polish border is 'inviolable'. inviolability (ɪnvaɪələbɪlɪti
) uncountable noun [+ of] ⇒ Parliament has recognised the inviolability of the current border.
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