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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.
adj. cannot be altered or voided, usually in reference to an interest in real property.
indefeasibleadjective binding, confirmed, established, immutable, imperishable, in perpetuum ratus, inalienable, incapable of being defeated, incapable of being revoked, incontestable, incontrovertible, indestructible, indissoluble, indubitable, ineradicable, inextinguishable, insusceptible of change, invariable, inviolable, irrefragable, irreversible, irrevocable, nonreversible, not forfeitable, not to be abrogated, not to be annulled, not to be made void, permanent, reverseless, settled, unalterable, unchallengeable, unchangeable, undefeatable, undeniable, unquestionable
Associated concepts: indefeasible estate, indefeasible interrst, indefeasible title, indefeasibly vested
See also: certain, clear, compulsory, conclusive, definite, determinative, incontestable, indelible, indestructible, irreversible, irrevocable, permanent, positive, unalienable, unavoidable
indefeasiblenot liable to be annulled or forfeited.
INDEFEASIBLE. That which cannot be defeated or undone. This epithet is usually applied to an estate or right which cannot be defeated.