colourlessness colourless • colour line · · · Info · Definitions · Synonyms · Characters · · colourlessness · · Text Latin · · Script 14 · · Length 5 · · Syllables Definitions · · · (noun) the visual property of being without chromatic color. Synonyms: colorlessness, achromatism, achromaticity. · · Noun Definition 1 Synonyms · · · colorlessness · · Synonym 1 achromatism · · Synonym 2 achromaticity · · Synonym 3 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075