Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.
Class III. Words Relating to MatterSection III. Organic Matter
2. Sensation
(iii) Perceptions of Light
447. Invisibility.
CONCEALMENT [See Concealment]; latency [See Latency].
RENDER INVISIBLE &c. adj.; conceal [See Concealment]; put out of sight.
not see (be blind) [See Blindness]; lose sight of.
INDISTINCT; dim (faint) [See Dimness]; mysterious, dark, obscure, confused; indistinguishable, undiscernible or undiscernable, shadowy, indefinite, undefined; ill-defined, ill-marked; blurred, blurry, fuzzy, out of focus; misty (opaque) [See Opacity]; veiled (concealed) [See Concealment]; delitescent.