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doubtful
[/ˈdaʊtfəl/]
adjective
duvidoso
1.
feeling uncertain or lacking conviction about something
I am doubtful about whether this plan will work.
Estou em dúvida se este plano funcionará.
2.
unlikely to be true or to happen; questionable
It is doubtful that he will arrive on time.
É duvidoso que ele chegue a tempo.
3.
not clearly belonging to or identified with something
The origin of this artifact is doubtful.
A origem deste artefato é duvidosa.
Synonyms
uncertain
skeptical
questionable
dubious
ambiguous
unclear
Antonyms
certain
confident
sure
positive
convinced
definite
Regional Variations
General Brazilian
duvidoso
most common usage
Brazil
questionável
alternative form emphasizing 'questionable'
Portugal
duvidoso
primary usage, same as Brazilian
Portugal
incerto
alternative form emphasizing uncertainty
Related Idioms & Phrases
beyond a shadow of a doubt (opposite meaning)
give someone the benefit of the doubt
without a doubt
in doubt
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