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
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unchallengeable
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
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