Source : Webster's Revised Unabridged Dictionary (1913)

Scare \Scare\, n.
   Fright; esp., sudden fright produced by a trifling cause, or
   originating in mistake. [Colloq.]

Scare \Scare\, v. t. [imp. & p. p. {Scared}; p. pr. & vb. n.
   {Scaring}.] [OE. skerren, skeren, Icel. skirra to bar,
   prevent, skirrask to shun, shrink from; or fr. OE. skerre,
   adj., scared, Icel. skjarr; both perhaps akin to E. sheer to
   turn.]
   To frighten; to strike with sudden fear; to alarm.

         The noise of thy crossbow Will scare the herd, and so
         my shoot is lost.                        --Shak.

   {To scare away}, to drive away by frightening.

   {To scare up}, to find by search, as if by beating for game.
      [Slang]

   Syn: To alarm; frighten; startle; affright; terrify.

Source : WordNet®

scare
     n 1: sudden mass fear and anxiety over anticipated events; "panic
          in the stock market"; "a war scare"; "a bomb scare led
          them to evacuate the building" [syn: {panic}]
     2: a sudden attack of fear [syn: {panic attack}]

scare
     v 1: cause fear in; "The stranger who hangs around the building
          frightens me" [syn: {frighten}, {fright}, {affright}]
     2: cause to lose courage; "dashed by the refusal" [syn: {daunt},
         {dash}, {scare off}, {pall}, {frighten off}, {scare away},
         {frighten away}]