Doubtful meaning

What does “doubtful” mean? Definitions, examples, synonyms and opposites.

“doubtful” is an adjective with 3 meanings. Its most common meaning is: open to doubt or suspicion.

doubtful

open to doubt or suspicion
“the candidate's doubtful past”
“he has a dubious record indeed”
Synonymsdubious dubitable in question
fraught with uncertainty or doubt
“they were doubtful that the cord would hold”
“it was doubtful whether she would be admitted”
Synonymsdubious
unsettled in mind or opinion
“drew a few tentative conclusions”
Synonymstentative

Source: WordNet 3.1, Princeton University