subsidiarity subsidiariness • subsidiary · · · Info · Definitions · Synonyms · Characters · · subsidiarity · · Text Latin · · Script 12 · · Length 6 · · Syllables Definitions · · · (noun) secondary importance. Synonyms: subordinateness. · · Noun Definition 1 Synonyms · · · subordinateness · · Synonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 i latin small letter i U+0069 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079