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.