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GRE vocabulary

dubious

adjectiveHigh-frequency wordMore D words

doubtful or questionable in quality or truth

Word origin: From Latin dubius, wavering or uncertain.

In a sentence

Dubious in a sentence

Here are example sentences showing dubious in a sentence.

The claim rested on dubious evidence that no one could verify.

The committee remained dubious about the data, noting that the sample had not been randomized.

Synonyms
doubtfulquestionablesuspect
Antonyms
certainreliabletrustworthy
Usage & nuance

Using “dubious” well

Dubious works two ways: a person can be dubious, meaning unconvinced, or a claim can be dubious, meaning questionable. Context determines which sense is in play.

Common questions

Questions about “dubious

Dubious (adjective) means doubtful or questionable in quality or truth
Here is dubious used in an example sentence: "The claim rested on dubious evidence that no one could verify." Another example: "The committee remained dubious about the data, noting that the sample had not been randomized."
Common synonyms for dubious include doubtful, questionable, suspect.
Antonyms of dubious include certain, reliable, trustworthy.
Clusters with doubtful, questionable, and suspect in Sentence Equivalence. Its antonyms certain, reliable, and trustworthy mark the opposite.
Yes. Dubious is a high-frequency GRE word, so it is worth prioritising as you build your vocabulary.

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