The Collaborative International Dictionary of English v.0.48:

Fear \Fear\, n. [OE. fer, feer, fere, AS. f[=ae]r a coming
   suddenly upon, fear, danger; akin to D. vaar, OHG. f[=a]ra
   danger, G. gefahr, Icel. f[=a]r harm, mischief, plague, and
   to E. fare, peril. See Fare.]
   1. A painful emotion or passion excited by the expectation of
      evil, or the apprehension of impending danger;
      apprehension; anxiety; solicitude; alarm; dread.
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   Note: The degrees of this passion, beginning with the most
         moderate, may be thus expressed, -- apprehension,
         fear, dread, fright, terror.
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               Fear is an uneasiness of the mind, upon the
               thought of future evil likely to befall us.
                                                  --Locke.
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               Where no hope is left, is left no fear. --Milton.
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   2. (Script.)
      (a) Apprehension of incurring, or solicitude to avoid,
          God's wrath; the trembling and awful reverence felt
          toward the Supreme Being.
      (b) Respectful reverence for men of authority or worth.
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                I will put my fear in their hearts. --Jer.
                                                  xxxii. 40.
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                I will teach you the fear of the Lord. --Ps.
                                                  xxxiv. 11.
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                Render therefore to all their dues; tribute to
                whom tribute is due . . . fear to whom fear.
                                                  --Rom. xiii.
                                                  7.
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   3. That which causes, or which is the object of, apprehension
      or alarm; source or occasion of terror; danger;
      dreadfulness.
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            There were they in great fear, where no fear was.
                                                  --Ps. liii. 5.
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            The fear of your adventure would counsel you to a
            more equal enterprise.                --Shak.
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   For fear, in apprehension lest. "For fear you ne'er see
      chain nor money more." --Shak.
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