concaveness concavely • concaver · · · Info · Definitions · Synonyms · Characters · · concaveness · · Text Latin · · Script 11 · · Length Definitions · · · (noun) the property possessed by a concave shape. Synonyms: concavity. · · Noun Definition 1 Synonyms · · · concavity · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 v latin small letter v U+0076