Source : Webster's Revised Unabridged Dictionary (1913)

Spunky \Spunk"y\, a. [Compar. {Spunkier}; superl. {Spunkiest}.]
   Full of spunk; quick; spirited. [Colloq.]

Source : WordNet®

spunky
     adj 1: showing courage; "the champion is faced with a feisty
            challenger" [syn: {feisty}, {plucky}]
     2: willing to face danger [syn: {game}, {gamy}, {gamey}, {gritty},
         {mettlesome}, {spirited}]