rigidness rigidly • rigidulous · · · Info · Definitions · Synonyms · Characters · · rigidness · · Text Latin · · Script 9 · · Length Definitions · · · (noun) the physical property of being stiff and resisting bending. Synonyms: rigidity. · · Noun Definition 1 (noun) the quality of being rigid and rigorously severe. Synonyms: inflexibility, rigidity. · · Noun Definition 2 Synonyms · · · rigidity · · Synonym 1 inflexibility · · Synonym 2 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073