incontestable Meaning, Definition & Usage

  1. adjective incapable of being contested or disputed
    incontestible.
  2. adjective satellite not open to question; obviously true
    undisputable; indisputable.
    • undeniable guilt
    • indisputable evidence of a witness

WordNet

In`con*test"a*ble adjective
Etymology
Pref. in- not + contestable: cf. F. incontestable.
Definitions
  1. 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.

Webster 1913