GRE vocabulary
unimpeachable
beyond doubt or reproach; entirely trustworthy
In a sentence
Unimpeachable in a sentence
Here is an example sentence showing unimpeachable in a sentence.
The witness had an unimpeachable reputation for honesty.
Synonyms
Antonyms
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See all More GRE words starting with U
ubiquitous
seeming to be present everywhere at the same time
ululate
to howl or wail loudly, especially in grief or celebration
umbrage
offense or annoyance taken at a perceived slight
unalloyed
complete and unqualified, without anything to diminish it
unambiguous
having only one possible meaning; entirely clear
unanimity
complete agreement among everyone involved
unassailable
impossible to attack, question, or refute
unassailed
not subjected to attack or challenge
Common questions
Questions about “unimpeachable”
Unimpeachable (adjective) means beyond doubt or reproach; entirely trustworthy
Here is unimpeachable used in an example sentence: "The witness had an unimpeachable reputation for honesty."
Common synonyms for unimpeachable include irreproachable, blameless, impeccable.
Antonyms of unimpeachable include questionable, dubious, suspect.
Unimpeachable is a GRE-level vocabulary word worth knowing for the Verbal section.
Learn words the way the GRE tests them.
Vocabulary sticks when you meet it in real sentences. Practise these words inside text completion and sentence equivalence questions.