'Forspent' definitions:

Definition of 'Forspent'

From: GCIDE

Forspent \For*spent"\, a. [AS. forspendan to consume; pref. for- + spendan to spend.] Wasted in strength; tired; exhausted. [Archaic] [1913 Webster]
A gentleman almost forspent with speed. --Shak. [1913 Webster]