👉 "Fortyfive" is a phrase or idiom that refers to a specific age group, commonly associated with 40 years of age. It can also be used in contexts where it's unclear what age range it refers to. For example, "Forty-five-year-old" could refer to someone born between 1975 and 2005, or "Forty-five-year-olds" could mean people who are currently between 30 and 40 years old