Source : Webster's Revised Unabridged Dictionary (1913)

Supercharge \Su`per*charge"\, v. t. [imp. & p. p.
   {Supercharged}; p. pr. & vb. n. {Supercharging}.] [Pref.
   super- + charge. Cf. {Surcharge}.] (Her.)
   To charge (a bearing) upon another bearing; as, to
   supercharge a rose upon a fess.

Source : WordNet®

supercharged
     adj 1: (of e.g. an engine) having the power increased by fitting
            with a supercharger
     2: fraught with great emotion; "an atmosphere charged with
        excitement"; "an emotionally charged speech" [syn: {charged}]