The Collaborative International Dictionary of English v.0.48:

Fright \Fright\ (fr[imac]t), n. [OE. frigt, freyht, AS. fyrhto,
   fyrhtu; akin to OS. forhta, OHG. forhta, forahta, G. furcht,
   Dan. frygt, Sw. fruktan, Goth. fa['u]rhtei fear, fa['u]rhts
   timid.]
   [1913 Webster]
   1. A state of terror excited by the sudden appearance of
      danger; sudden and violent fear, usually of short
      duration; a sudden alarm.
      [1913 Webster]

   2. Anything strange, ugly or shocking, producing a feeling of
      alarm or aversion. [Colloq.]

   Syn: Alarm; terror; consternation. See Alarm.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Fright \Fright\, v. t. [imp. Frighted; p. pr. & vb. n..
   Frighting.] [OE. frigten to fear, frighten, AS. fyrhtan to
   frighten, forhtian to fear; akin to OS. forhtian, OHG.
   furihten, forahtan, G. f["u]rchten, Sw. frukta, Dan. frygte,
   Goth. faurhtjan. See Fright, n., and cf. Frighten.]
   To alarm suddenly; to shock by causing sudden fear; to
   terrify; to scare.
   [1913 Webster]

         Nor exile or danger can fright a brave spirit.
                                                  --Dryden.

   Syn: To affright; dismay; daunt; intimidate.
        [1913 Webster]

WordNet (r) 3.0 (2006):

fright
    n 1: an emotion experienced in anticipation of some specific
         pain or danger (usually accompanied by a desire to flee or
         fight) [syn: fear, fearfulness, fright] [ant:
         bravery, fearlessness]
    v 1: cause fear in; "The stranger who hangs around the building
         frightens me"; "Ghosts could never affright her" [syn:
         frighten, fright, scare, affright]