indefeasible.

Unable to be annulled, revoked, or defeated by a valid competing claim.

Use it for

Words that belong together

• indefeasible right
• indefeasible title

On the page

The judgment recognized an indefeasible right to the property.

Usage notes

Primary category: analysis / argumentation / evidence. Forms: Normally non-gradable; no ordinary comparative or superlative. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: evidence, inference, qualification. Commonness: uncommon.