Definition of dubious
- I was dubious about the plan.
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He made the highly dubious claim that Elvis is still alive and living in Hawaii.
a man of dubious character
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Dubious derives from the Latin verb dubare, meaning "to hesitate in choice of opinions or courses," and it is related to the Latin word for "two": duo. Dubious can be used to indicate uncertainty about the result of an action or the truth of a statement as well as about the uncertainty of a person and his or her character. In either case, it usually implies a feeling of doubt from suspicion, mistrust, or hesitation.
: unsure or uncertain : feeling doubt about something
: causing doubt, uncertainty, or suspicion : likely to be bad or wrong
—used ironically in phrases like dubious honor and dubious distinction to describe something bad or undesirable as if it were an honor or achievement
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