Definition of "doubt" []

• To be undecided or skeptical about: began to doubt some accepted doctrines. (verb-transitive)
• To tend to disbelieve; distrust: doubts politicians when they make sweeping statements. (verb-transitive)
• To regard as unlikely: I doubt that we'll arrive on time. (verb-transitive)
• Archaic To suspect; fear. (verb-transitive)
• To be undecided or skeptical. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Carolos Duran has already seen my sketch for one, and he says there is not a doubt -- _not a doubt_ -- that it will be considered."
• "Doubt strikes at the root of Justice and of Love -- not the doubt that is the half-brother to Disbelief, but the doubt which wonders always and always if we believe most easily what we _want to believe_, and if our firmest conviction against such Belief is not, more than anything else, yet one more manifestation of what we desire so earnestly _to doubt_."
• "_point device_ companions, such rackers of orthography, as to speak doubt _fine_ when _he should say doubt_, etc."