knightless

adjective2

1. •
   Without a knight.

   • This night, when the Lady Joan sternly bade her knight attend the knightless damsels to their home, Ioris obeyed. — 1890
2. •
   (no longer used, rare) Unbecoming of a knight; unchivalrous.

   • Whereof thou […] all knights hast shamed with this knightlesse part. — 1596