'Doubt' definitions:

Definition of 'doubt'

(from WordNet)
noun
The state of being unsure of something [syn: doubt, uncertainty, incertitude, dubiety, doubtfulness, dubiousness] [ant: certainty]
noun
Uncertainty about the truth or factuality or existence of something; "the dubiousness of his claim"; "there is no question about the validity of the enterprise" [syn: doubt, dubiousness, doubtfulness, question]
verb
Consider unlikely or have doubts about; "I doubt that she will accept his proposal of marriage"
verb
Lack confidence in or have doubts about; "I doubt these reports"; "I suspect her true motives"; "she distrusts her stepmother"

Definition of 'Doubt'

From: GCIDE
  • Doubt \Doubt\, n. [OE. dute, doute, F. doute, fr. douter to doubt. See Doubt, v. i.]
  • 1. A fluctuation of mind arising from defect of knowledge or evidence; uncertainty of judgment or mind; unsettled state of opinion concerning the reality of an event, or the truth of an assertion, etc.; hesitation. [1913 Webster]
  • Doubt is the beginning and the end of our efforts to know. --Sir W. Hamilton. [1913 Webster]
  • Doubt, in order to be operative in requiring an acquittal, is not the want of perfect certainty (which can never exist in any question of fact) but a defect of proof preventing a reasonable assurance of quilt. --Wharton. [1913 Webster]
  • 2. Uncertainty of condition. [1913 Webster]
  • Thy life shall hang in doubt before thee. --Deut. xxviii. 66. [1913 Webster]
  • 3. Suspicion; fear; apprehension; dread. [Obs.] [1913 Webster]
  • I stand in doubt of you. --Gal. iv. 20. [1913 Webster]
  • Nor slack her threatful hand for danger's doubt. --Spenser. [1913 Webster]
  • 4. Difficulty expressed or urged for solution; point unsettled; objection. [1913 Webster]
  • To every doubt your answer is the same. --Blackmore. [1913 Webster]
  • No doubt, undoubtedly; without doubt.
  • Out of doubt, beyond doubt. [Obs.] --Spenser.
  • Syn: Uncertainty; hesitation; suspense; indecision; irresolution; distrust; suspicion; scruple; perplexity; ambiguity; skepticism. [1913 Webster]

Definition of 'Doubt'

From: GCIDE
  • Doubt \Doubt\, v. t.
  • 1. To question or hold questionable; to withhold assent to; to hesitate to believe, or to be inclined not to believe; to withhold confidence from; to distrust; as, I have heard the story, but I doubt the truth of it. [1913 Webster]
  • To admire superior sense, and doubt their own! --Pope. [1913 Webster]
  • I doubt not that however changed, you keep So much of what is graceful. --Tennyson. [1913 Webster]
  • To doubt not but.
  • I do not doubt but I have been to blame. --Dryden. [1913 Webster]
  • We doubt not now But every rub is smoothed on our way. --Shak. [1913 Webster]
  • Note: That is, we have no doubt to prevent us from believing, etc. (or notwithstanding all that may be said to the contrary) -- but having a preventive sense, after verbs of "doubting" and "denying" that convey a notion of hindrance. --E. A. Abbott. [1913 Webster]
  • 2. To suspect; to fear; to be apprehensive of. [Obs.] [1913 Webster]
  • Edmond [was a] good man and doubted God. --R. of Gloucester. [1913 Webster]
  • I doubt some foul play. --Shak. [1913 Webster]
  • That I of doubted danger had no fear. --Spenser. [1913 Webster]
  • 3. To fill with fear; to affright. [Obs.] [1913 Webster]
  • The virtues of the valiant Caratach More doubt me than all Britain. --Beau. & Fl. [1913 Webster]

Definition of 'Doubt'

From: GCIDE
  • Doubt \Doubt\ (dout), v. i. [imp. & p. p. Doubted; p. pr. & vb. n. Doubting.] [OE. duten, douten, OF. duter, doter, douter, F. douter, fr. L. dubitare; akin to dubius doubtful. See Dubious.]
  • 1. To waver in opinion or judgment; to be in uncertainty as to belief respecting anything; to hesitate in belief; to be undecided as to the truth of the negative or the affirmative proposition; to b e undetermined. [1913 Webster]
  • Even in matters divine, concerning some things, we may lawfully doubt, and suspend our judgment. --Hooker. [1913 Webster]
  • To try your love and make you doubt of mine. --Dryden. [1913 Webster]
  • 2. To suspect; to fear; to be apprehensive. [Obs.]
  • Syn: To waver; vacillate; fluctuate; hesitate; demur; scruple; question. [1913 Webster]

Synonyms of 'doubt'

From: Moby Thesaurus