unchallengeable

美 [ʌnˈtʃæləndʒəb(ə)l]
英 [ʌnˈtʃælɪndʒəb(ə)l]
  • adj.不可争辩的;不容置辩的;不可挑战的
unchallengeable
adj.
1.
不可争辩的;不容置辩的;不可挑战的that cannot be questioned or argued with; that cannot be challenged
unchallengeable evidence
无可置辩的证据