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That which cannot be defeated, revoked, or made void. This term is usually applied to an estate or right that cannot be defeated.

West's Encyclopedia of American Law, edition 2. Copyright 2008 The Gale Group, Inc. All rights reserved.


adj. cannot be altered or voided, usually in reference to an interest in real property.

Copyright © 1981-2005 by Gerald N. Hill and Kathleen T. Hill. All Right reserved.


not liable to be annulled or forfeited.
Collins Dictionary of Law © W.J. Stewart, 2006

INDEFEASIBLE. That which cannot be defeated or undone. This epithet is usually applied to an estate or right which cannot be defeated.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
But there was no evidence of any such conduct which might have disqualified them from the benefit of indefeasible title.
Both immediately dominate an onset consonant, and so node [y.sub.2] of Figure 4 is identified with node [x.sub.8] of Figure 7, with the indefeasible /v/ label winning out over /kh/.
And in a quest for indefeasible knowledge, uncertain assumptions have no value.
S'il est vrai que le principe d'incontestabilite signifie qu'un titre ne peut etre annule, cela ne veut pas dire que le titre ne sera jamais ecarte consecutivement a l'inscription d'un autre titre incontestable : a title which is indefeasible at one point of time may very well be defeated subsequently.
He foresees government founded on morality, on a system of universal peace, and on the indefeasible hereditary rights of man.
It makes him the earliest theorist of the egocentric consciousness, the indefeasible sense of private selfhood, which is now often regarded as the invention of the western mind in the last two hundred years.
applicable to this and only this class of things, and so carve out indefeasible conclusions from these well-differentiated starting points.
But in either case, both the casual murderer and the morally typical agent might share in some indefeasible identity as persons who are therefore to be treated in such ways as recognize their common, fixed attribute of potentiality for fully moral agency.
He feels "a certain indefeasible fellowship in the sorrow of the little girl" (30) and equates Lambert's betrayal of Nora with Miss Morton's rejection of him: "He leaned back in his chair and looked at the child, - the little forlorn, precocious, potential woman.
These political arrangements were sanctioned by God, and Sir Robert fortified his argument by tracing all legal authority back to the divinely ordained fatherly power of Adam.'(5) It is Filmer's insistence on an indefeasible royal prerogative and his belief in political obligation which struck such a deep chord in Eliot.
For the cognitive equivalence of "'Snow is white' is true" and "Snow is white" will lead to the (more or less indefeasible) acceptance of the biconditional "'Snow is white' is true iff snow is white"; and a natural way to put this (more or less indefeasible) acceptance is to say "'Snow is white' has the truth conditions that snow is white".