sixties sixthly • sixtieth · · · Info · Definitions · Synonyms · Characters · · sixties · · Text Latin · · Script 7 · · Length 2 · · Syllables Definitions · · · (noun) the decade from 1960 to 1969. Synonyms: 1960s. · · Noun Definition 1 (noun) the time of life between 60 and 70. Synonyms: mid-sixties. · · Noun Definition 2 (noun) the cardinal number that is the product of ten and six. Synonyms: sixty, 60, LX. · · Noun Definition 1 Synonyms · · · 1960s · · Synonym 1 mid-sixties · · Synonym 2 sixty · · Synonym 3 60 · · Synonym 4 lx · · Synonym 5 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 s latin small letter s U+0073 t latin small letter t U+0074 x latin small letter x U+0078