inviolable.

Protected by a rule or principle that must not be violated.

Use it for

Words that belong together

• inviolable sanctuary
• inviolable boundary

On the page

The treaty made the sanctuary inviolable.

She crossed an inviolable boundary when she entered the family archive.

Usage notes

Primary category: setting. Forms: Comparative more inviolable; superlative most inviolable where gradation is meaningful. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.