costliness costlessness • costly · · · Info · Definitions · Synonyms · Characters · · costliness · · Text Latin · · Script 10 · · Length Definitions · · · (noun) the quality possessed by something with a great price or value. Synonyms: dearness, preciousness. · · Noun Definition 1 Synonyms · · · dearness · · Synonym 1 preciousness · · Synonym 2 Characters · · c latin small letter c U+0063 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 o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074