[{"Bold_text": "noun", "List Items": ["a cardinal number, ten times six.", "a symbol for this number, as 60 or LX.", "a set of this many persons or things.", "sixties,the numbers, years, degrees, or the like, from 60 through 69, as in referring to numbered streets, indicating the years of a lifetime or of a century, or noting degrees of temperature:Her grandfather is in his late sixties. The temperature is in the low sixties."]}, {"Bold_text": "adjective", "List Items": ["amounting to 60 in number."]}]