invisibleness invisible • invisibly · · · Info · Definitions · Synonyms · Characters · · invisibleness · · Text Latin · · Script 13 · · Length Definitions · · · (noun) the quality of not being perceivable by the eye. Synonyms: invisibility. · · Noun Definition 1 Synonyms · · · invisibility · · Synonym 1 Characters · · b latin small letter b U+0062 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 v latin small letter v U+0076