Indefeasible
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
That which cannot be defeated or undone. This epithet is usually applied to an estate or right which cannot be defeated. INDEFENSU8 (Lat.) One sued or impleaded who refuses or has nothing to answer.