Illegibility :: Illegibility (n.) The state or quality of being illegible.
Illegible :: Illegible (a.) Incapable of being read; not legible; as, illegible handwriting; an illegible inscription..
Legibility :: Legibility (n.) The quality of being legible; legibleness.
Legible :: Legible (a.) Capable of being read or deciphered; distinct to the eye; plain; -- used of writing or printing; as, a fair, legible manuscript..
Legible :: Legible (a.) Capable of being discovered or understood by apparent marks or indications; as, the thoughts of men are often legible in their countenances..
Legibleness :: Legibleness (n.) The state or quality of being legible.