Definitions from Black's Law Dictionary: 2nd Edition and Ballentine's Law Dictionary as are available for each term in each dictionary.
  • Ballentine's Law Dictionary

    Capable of defeasance.

  • Black's Law Dictionary: 2nd Edition

    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 in land. For instance, a mortgagee's estate is defeasible (liable to be defeated) by the mortgagor's equity of redemption.
    —Defeasible fee. An estate in fee but which is liable to be defeated by some future contingency; e. g., a vested remainder which might be defeated by the death of the remainderman before the time fixed for the taking effect of the devise. Forsythe v. Lansing, 109 Ky. 518, 59 S. W. 854; Wills v. Wills, 85 Ky. 486, 3 S. W. 900.
    —Defeasible title t One that is liable to be annulled or made void, but not one that is already void or an absolute nullity. Elder v. Schumacher, 18 Colo. 433, 33 Pac. 175.