law of diminishing returns law of definite proportions • law of effect · · · Info · Definitions · Characters · · law of diminishing returns · · Text Common · · Latin · · Scripts 26 · · Length 8 · · Syllables Definitions · · · (noun) a law affirming that to continue after a certain level of performance has been reached will result in a decline in effectiveness. Synonyms: law of diminishing returns. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 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 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E 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 w latin small letter w U+0077