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Definition of Doubtful
1. Adjective. Open to doubt or suspicion. "It was more than dubitable whether the friend was as influential as she thought"
Similar to: Questionable
Derivative terms: Doubtfulness, Dubiousness
2. Adjective. Fraught with uncertainty or doubt. "Dubious about agreeing to go"
Similar to: Incertain, Uncertain, Unsure
Derivative terms: Doubtfulness, Dubiousness
3. Adjective. Unsettled in mind or opinion. "Drew a few tentative conclusions"
Definition of Doubtful
1. 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.
Definition of Doubtful
1. Adjective. Subject to, or causing doubt ¹
2. Adjective. Experiencing or showing doubt ¹
3. Adjective. Undecided or of uncertain outcome ¹
4. Adjective. (obsolete) Fearsome, dreadful. ¹
5. Adjective. Improbable or unlikely ¹
6. Adjective. Suspicious, or of dubious character ¹
7. Adjective. Unclear or unreliable ¹
¹ Source: wiktionary.com
Definition of Doubtful
1. uncertain [adj] - See also: uncertain
Medical Definition of Doubtful
1. 1. 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. "Methinks I should know you, and know this man; yet I am doubtful." (Shak) "With doubtful feet and wavering resolution." (Milton) 2. Admitting of doubt; not obvious, clear, or certain; questionable; not decided; not easy to be defined, classed, or named; as, a doubtful case, hue, claim, title, species, and the like. "Beauty is but a vain and doubtful good." (Shak) "Is it a great cruelty to expel from our abode the enemy of our peace, or even the doubtful friend [i. E, one as to whose sincerity there may be doubts]?" (Bancroft) 3. Characterised by ambiguity; dubious; as, a doubtful expression; a doubtful phrase. 4. Of uncertain issue or event. "We . . . Have sustained one day in doubtful fight." (Milton) "The strife between the two principles had been long, fierce, and doubtful." (Macaulay) 5. Fearful; apprehensive; suspicious. "I am doubtful that you have been conjunct And bosomed with her." (Shak) Synonym: Wavering, vacillating, hesitating, undetermined, distrustful, dubious, uncertain, equivocal, ambiguous, problematical, questionable. Source: Websters Dictionary (01 Mar 1998)
Lexicographical Neighbors of Doubtful
Literary usage of Doubtful
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Merchant of Venice by William Shakespeare, Edwin Booth, Henry L Hinton (1867)
"How all the other passions fleet to air, As doubtful thoughts, ... stand I, even
so, As doubtful whether what I see be true, Until confirm'd, sign'd, ..."
2. Publications by English Dialect Society (1875)
"doubtful 00', perhaps ... But as this is also a Scotch sound, native to Dr.
Murray, who had not recognized it, this appreciation appeared very doubtful. ..."