資料來源 : Webster's Revised Unabridged Dictionary (1913)

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.

            To admire superior sense, and doubt their own!
                                                  --Pope.

            I doubt not that however changed, you keep So much
            of what is graceful.                  --Tennyson.

   {To doubt not but}.

            I do not doubt but I have been to blame. --Dryden.

            We doubt not now But every rub is smoothed on our
            way.                                  --Shak.

   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.

   2. To suspect; to fear; to be apprehensive of. [Obs.]

            Edmond [was a] good man and doubted God. --R. of
                                                  Gloucester.

            I doubt some foul play.               --Shak.

            That I of doubted danger had no fear. --Spenser.

   3. To fill with fear; to affright. [Obs.]

            The virtues of the valiant Caratach More doubt me
            than all Britain.                     --Beau. & Fl.