forties forthy • fortieth · · · Info · Definitions · Synonyms · Characters · · forties · · Text Latin · · Script 7 · · Length Definitions · · · (noun) the time of life between 40 and 50. Synonyms: mid-forties. · · Noun Definition 1 (noun) the decade from 1940 to 1949. Synonyms: 1940s. · · Noun Definition 2 (noun) the cardinal number that is the product of ten and four. Synonyms: forty, 40, XL. · · Noun Definition 1 Synonyms · · · mid-forties · · Synonym 1 1940s · · Synonym 2 forty · · Synonym 3 40 · · Synonym 4 xl · · Synonym 5 Characters · · e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 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