Defeasible
A Dictionary of Law · Henry Campbell Black · 1891
A Dictionary of Law
Subject to be defeated, annulled, revoked, or undone upon the happening of a future event or the performance of a condition subsequent, or by a conditional limitation. Usually spoken of estates and interests inland. For instance, a mortgagee’s estate is deieasible (liable to be defeated) by the mortgagor's equity of redemption.