unimpeachable
beyond doubt or reproach; entirely trustworthy
Unimpeachable in a sentence
Here is an example sentence showing unimpeachable in a sentence.
The witness had an unimpeachable reputation for honesty.
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Verbal · Sentence Equivalence
Far from being the revolutionary thinker his admirers claimed, the philosopher was in fact quite blank, defending the traditional doctrines of his teachers without challenge.
More GRE words starting with U
seeming to be present everywhere at the same time
to howl or wail loudly, especially in grief or celebration
offense or annoyance taken at a perceived slight
complete and unqualified, without anything to diminish it
having only one possible meaning; entirely clear
complete agreement among everyone involved
impossible to attack, question, or refute
not subjected to attack or challenge
Questions about “unimpeachable”
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