English dictionary



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English adjective: doubtful

1. doubtful open to doubt or suspicion


SamplesThe candidate's doubtful past.
He has a dubious record indeed.
What one found uncertain the other found dubious or downright false.
It was more than dubitable whether the friend was as influential as she thought.


Synonymsdubious, dubitable, in question


Similarquestionable


Antonymsunquestionable

2. doubtful fraught with uncertainty or doubt


SamplesThey were doubtful that the cord would hold.
It was doubtful whether she would be admitted.
Dubious about agreeing to go.


Synonymsdubious


Similarincertain, uncertain, unsure


Antonymssure, certain

3. doubtful unsettled in mind or opinion


SamplesDrew a few tentative conclusions.


Synonymstentative


Similarunsettled


Antonymssettled









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