Meaning : Open to doubt or suspicion.
Example :
The 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.
Synonyms : dubious, dubitable, in question
Meaning : Fraught with uncertainty or doubt.
Example :
They were doubtful that the cord would hold.
It was doubtful whether she would be admitted.
Dubious about agreeing to go.
Synonyms : dubious
Meaning : Unsettled in mind or opinion.
Example :
Drew a few tentative conclusions.
Synonyms : tentative
Doubtful ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Doubtful ka matlab kya hota hai?