Source : Webster's Revised Unabridged Dictionary (1913)

Bootless \Boot"less\, a. [From {Boot} profit.]
   Unavailing; unprofitable; useless; without advantage or
   success. --Chaucer.

         I'll follow him no more with bootless prayers. --Shak.
   -- {Boot"less*ly}, adv. -- {Boot"less*ness}, n.