adj. Being between the age of 60 and 69, inclusive. In one's seventh decade.
n. A person who is 60 years old or between the ages of 60 and 69.
the GNU version of the Collaborative International Dictionary of English
n. A person who is sixty years old.
The Century Dictionary and Cyclopedia
Sixty years old; sexagenary.
n. A person sixty years of age, or between sixty and seventy.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. someone whose age is in the sixties
adj. being from 60 to 69 years old
Word Usage
"Seasick SteveIn 2006 sexagenarian blues musician and former tramp Steve Wold was living in Norway and recovering from a heart attack when a tape of songs he'd made for his wife found its way to the BBC."