middle age middle • middle ages · · · Info · Definitions · Characters · · middle age · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) the time of life between youth and old age (e.g., between 40 and 60 years of age). Synonyms: middle age. · · 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 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D