interest rate interest lottery • interestuarine · · · Info · Definitions · Synonyms · Characters · · interest rate · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) the percentage of a sum of money charged for its use. Synonyms: interest rate, rate of interest. · · Noun Definition 1 Synonyms · · · rate of interest · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074