INCONTESTABLE
Source: 566, 567
incontestable|incontestible. Incontestable, or Incontestible, a. indisputable
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In′con‐test″a‐ble (?), a. [[Pref. in- not + contestable: cf. F. incontestable.]] Not contestable; not to be disputed; that cannot be called in question or controverted; incontrovertible; indisputable; as, incontestable evidence, truth, or facts. Locke. Syn. — Incontrovertible; indisputable; irrefragable; undeniable; unquestionable; intuitable; certain. — In′con‐test″a‐ble‐ness, n. — In′con‐test″a‐bly, adv.