index finger Index expurgatorius • index forest · · · Info · Definitions · Synonyms · Characters · · index finger · · Text Common · · Latin · · Scripts 12 · · Length Definitions · · · (noun) the finger next to the thumb. Synonyms: index, forefinger. · · Noun Definition 1 Synonyms · · · index · · Synonym 1 index number · · Synonym 2 indicant · · Synonym 3 indicator · · Synonym 4 exponent · · Synonym 5 power · · Synonym 6 forefinger · · Synonym 7 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 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 x latin small letter x U+0078