a. 1. Lacking sight; without sight; blind. [ 1913 Webster ]
Of all who blindly creep or sightless soar. Pope. [ 1913 Webster ]
2. That can not be seen; invisible. [ Obs. ] [ 1913 Webster ]
The sightless couriers of the air. Shak. [ 1913 Webster ]
3. Offensive or unpleasing to the eye; unsightly; as, sightless stains. [ R. ] Shak. [ 1913 Webster ]
-- Sight"less*ly, adv.- Sight"less*ness, n. [ 1913 Webster ]
a. 1. Pleasing to the sight; comely. “Many brave, sightly horses.” L'Estrange. [ 1913 Webster ]
2. Open to sight; conspicuous; as, a house stands in a sightly place. [ 1913 Webster ]