Wiktionary
eightysomething
alt. (context countable colloquial English) A person aged between 80 and 89 years. n. (context countable colloquial English) A person aged between 80 and 89 years. num. Between eighty and ninety.
Usage examples of "eightysomething".
In the rear compartment, Alistair Drummond's scowl became so severe that its wrinkles added years, making him look the eightysomething that he was.
The last of her brothers, Luke, had died in 1949, at the age of eightysomething, and the last of her children, Samuel, in 1974, at the age of fifty-four.