insubstantial insubordination • insubstantiality · · · Info · Synonyms · Characters · · insubstantial · · Text Latin · · Script 13 · · Length Synonyms · · · unsubstantial · · Synonym 1 unreal · · Synonym 2 jejune · · Synonym 3 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 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 t latin small letter t U+0074 u latin small letter u U+0075