Word Study
indefeasible
CIDE DICTIONARY
indefeasible, a. [Pref. in- not + defeasible: cf. OF. indefaisable.].
Not to be defeated; not defeasible; incapable of being annulled or made void; as, an indefeasible or title. [1913 Webster]
"That the king had a divine and an indefeasible right to the regal power." [1913 Webster]
OXFORD DICTIONARY
indefeasible, adj. literary (esp. of a claim, rights, etc.) that cannot be lost.
Derivative
indefeasibility n. indefeasibly adv.
THESAURUS
indefeasible
certain, changeless, constant, fated, fateful, immutable, inalienable, incommunicable, incommutable, inconvertible, ineluctable, inert, inescapable, inevasible, inevitable, inexorable, inflexible, insusceptible of change, intransmutable, invariable, irresistible, irretrievable, irreversible, irrevocable, lasting, necessary, noble, noncommunicable, noncontagious, noninfectious, nonreturnable, nonreversible, permanent, relentless, resistless, reverseless, sure, sure as death, sure as fate, unalterable, unalterative, unaltered, unavoidable, unchangeable, unchanged, unchanging, uncontrollable, undeflectable, undeviating, unimpartable, unmodifiable, unpreventable, unremitting, unrestorable, unreturnable, unstoppable, unsusceptible, unvariable, unvarying, unyieldingROGET THESAURUS
indefeasible
Stability
N stability, immutability, unchangeability unchangeableness, constancy, stable equilibrium, immobility, soundness, vitality, stabiliment, stiffness, ankylosis, solidity, aplomb, establishment, fixture, rock, pillar, tower, foundation, leopard's spots, Ethiopia's skin, permanence, obstinacy, unchangeable, immutable, unaltered, unalterable, not to be changed, constant, permanent, invariable, undeviating, stable, durable, perennial, fixed, steadfast, firm, fast, steady, balanced, confirmed, valid, fiducial, immovable, irremovable, riveted, rooted, settled, established, vested, incontrovertible, stereotyped, indeclinable, tethered, anchored, moored, at anchor, on a rock, rock solid, firm as a rock, firmly seated, firmly established, deep-rooted, ineradicable, inveterate, obstinate, transfixed, stuck fast, aground, high and dry, stranded, stuck, jammed, unremovable, quiescent, deterioration, indefeasible, irretrievable, intransmutable, incommutable, irresoluble, irrevocable, irreversible, reverseless, inextinguishable, irreducible, indissoluble, indissolvable, indestructible, undying, imperishable, incorruptible, indelible, indeciduous, insusceptible, insusceptible of change, Int, stet, littera scripta manet.Dueness
N due, dueness, right, privilege, prerogative, prescription, title, claim, pretension, demand, birthright, immunity, license, liberty, franchise, vested interest, vested right, sanction, authority, warranty, charter, warrant, constitution, tenure, bond, claimant, appellant, plaintiff, having a right to, entitled to, claiming, deserving, meriting, worthy of, privileged, allowed, sanctioned, warranted, authorized, ordained, prescribed, constitutional, chartered, enfranchised, prescriptive, presumptive, absolute, indefeasible, unalienable, inalienable, imprescriptible, inviolable, unimpeachable, unchallenged, sacrosanct, due to, merited, deserved, condign, richly deserved, allowable, lawful, licit, legitimate, legal, legalized, square, unexceptionable, right, equitable, due, en r gle, fit, fitting, correct, proper, meet, befitting, becoming, seemly, decorous, creditable, up to the mark, right as a trivet, just the thing, quite the thing, selon les r gles, duly, ex officio, de jure, by right, by divine right, jure divino, Dei gratia, in the name of, civis Romanus sum, +a chaque saint sa chandelle.For further exploring for "indefeasible" in Webster Dictionary Online