[{"Bold_text": "noun", "List Items": ["a cardinal number, ten times nine.", "a symbol for this number, as 90 or XC.", "a set of this many persons or things.", "nineties,the numbers, years, degrees, or the like, from 90 through 99, as in referring to numbered streets, indicating the years of a lifetime or of a century, or degrees of temperature:His grandmother is in her nineties."]}, {"Bold_text": "adjective", "List Items": ["amounting to 90 in number."]}]