adjective
EXAMPLES FROM CORPUS
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And even if, I repeat their findings were valid, enough unchallengeable evidence would remain to make them immaterial.
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As his mouth opened, Alan saw the gaps in his teeth, but his voice and his movements seemed unchallengeable .
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By contrast, the appeal of the industrial co-operative remains unchallengeable , its ecological niche exclusive to it.
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Certain principles and values are assumed to be unchallengeable and therefore to be nurtured.
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Indeed little of what had been unchallengeable orthodoxy since the 1920s remained untouched.
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Many leading scientists do not consider that science can give absolutely reliable and unchallengeable knowledge.
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The assertion that some particular type of conduct is morally wrong because it is may appear unsatisfactory but it is unchallengeable .
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When the procedure is correctly observed it is virtually unchallengeable .