Obs. [f. prec. + -NESS.] Caliginous quality; obscurity; dimness of sight.
1620. Venner, Via Recta, viii. 171. Caliginousnes of the eyes.
1731. Bailey, vol. II., Caliginousness, darkness, fullness of obscurity.
1858. University Lit. Mag., II. 34. Perforating and permeating with flickering lucubrations the hideous caliginousness of effete philosophy.