meliorism meliorator • meliorist · · · Info · Definitions · Characters · · meliorism · · Text Latin · · Script 9 · · Length Definitions · · · (noun) the belief that the world can be made better by human effort. · · Noun Definition 1 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073