indefeasibility

Meanings

1. 1
   noun

   the quality of being impossible to annul, invalidate, or defeat, especially as a legal right or title

   Registration gives the owner's title a strong presumption of indefeasibility.

From indefeasible + -ity. Indefeasible combines in-, 'not,' with defeasible, a legal adjective derived from Anglo-French defesance, 'undoing or defeat.' It denotes a right or claim that cannot be defeated or made void.

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