Webster’s Revised Unabridged Dictionary · 1913
Bootless
Boot′less (bo͞ot′lĕs), 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.