Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of doubtful is as below...

Samarium :: Samarium (n.) A rare metallic element of doubtful identity.

Problematical :: Problematical (a.) Having the nature of a problem; not shown in fact; questionable; uncertain; unsettled; doubtful.

Apocrypha :: Apocrypha (n. pl.) Something, as a writing, that is of doubtful authorship or authority; -- formerly used also adjectively..

Tolerate :: Tolerate (v. t.) To suffer to be, or to be done, without prohibition or hindrance; to allow or permit negatively, by not preventing; not to restrain; to put up with; as, to tolerate doubtful practices..

Dubious :: Dubious (a.) Doubtful or not settled in opinion; being in doubt; wavering or fluctuating; undetermined.

Doubtfulness :: Doubtfulness (n.) Uncertainty of event or issue.

Willsome :: Willsome (a.) Doubtful; uncertain.

Problem :: Problem (n.) A question proposed for solution; a matter stated for examination or proof; hence, a matter difficult of solution or settlement; a doubtful case; a question involving doubt..

Apocryphal :: Apocryphal (a.) Not canonical. Hence: Of doubtful authority; equivocal; mythic; fictitious; spurious; false.

Incertum :: Incertum (a.) Doubtful; not of definite form.

So-called :: So-called (a.) So named; called by such a name (but perhaps called thus with doubtful propriety).

Indubious :: Indubious (a.) Not dubious or doubtful; certain.

Ambiguously :: Ambiguously (adv.) In an ambiguous manner; with doubtful meaning.

Irresolvedly :: Irresolvedly (adv.) Without settled determination; in a hesitating manner; doubtfully.

Wappened :: Wappened (a.) A word of doubtful meaning used once by Shakespeare.

Indubitable :: Indubitable (a.) Not dubitable or doubtful; too evident to admit of doubt; unquestionable; evident; apparently certain; as, an indubitable conclusion..

Ambiguity :: Ambiguity (n.) The quality or state of being ambiguous; doubtfulness or uncertainty, particularly as to the signification of language, arising from its admitting of more than one meaning; an equivocal word or expression..

Conjectural :: Conjectural (a.) Dependent on conjecture; fancied; imagined; guessed at; undetermined; doubtful.

Dubitative :: Dubitative (a.) Tending to doubt; doubtful.

Doubtful :: Doubtful (a.) Not settled in opinion; undetermined; wavering; hesitating in belief; also used, metaphorically, of the body when its action is affected by such a state of mind; as, we are doubtful of a fact, or of the propriety of a measure..

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