social security social secretary • social security administration · · · Info · Definitions · Characters · · social security · · Text Common · · Latin · · Scripts 15 · · Length 6 · · Syllables Definitions · · · (noun) social welfare program in the U.S.; includes old-age and survivors insurance and some unemployment insurance and old-age assistance. Synonyms: Social Security. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 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 o latin small letter o U+006F 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