Sick"er*ness, Sik"er*ness, n.
The quality or state of being sicker, or certain.
Chaucer. Spenser.
© Webster 1913.
Sik"er (?), a. & adv., Sik"er*ly, adv., Sik"er*ness, n., etc.
See 2d Sicker, Sickerly, etc.