Source : Webster's Revised Unabridged Dictionary (1913)

Overlade \O`ver*lade"\, v. t. [imp. {Overladed}; p. p.
   {Overladen}; p. pr. & vb. n. {Overlading}.] [Cf. {Overload}.]
   To load with too great a cargo; to overburden; to overload.
   --Spenser.

Source : WordNet®

overladen
     adj : loaded past capacity [syn: {overloaded}]