index fund index fossil • index glass · · · Info · Definitions · Characters · · index fund · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) a mutual fund whose assets are stocks on a given list. Synonyms: index fund. · · Noun Definition 1 (noun) a mutual fund that invests in the stocks that are the basis of a well-known stock or bond index. Synonyms: index fund. · · Noun Definition 2 Characters · · space U+0020 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 n latin small letter n U+006E u latin small letter u U+0075 x latin small letter x U+0078