Home › Words › O › opticalityopticalityopticality means the quality of being optical, or apprehended through sight.EtymologyFrom optical + -ity.nounThe quality of being optical, or apprehended through sight.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.optical 75% match — Of or relating to sight; visual. vs opticality →optically 70% match — regarding or using optics vs opticality →observationality 65% match — The property of being observational. vs opticality →sightability 64% match — The condition or extent of being sightable vs opticality →obviativity 62% match — The quality of being obviative. vs opticality →opticity 61% match — The degree of optical activity of a solution vs opticality →seeingness 61% match — The quality of seeing; ability to see; sight. vs opticality →quasioptical 61% match — Having some characteristics of an optical system or device vs opticality →