Adjective: sexagenarian ,sek-su-ju'neh-ree-un
- Being from 60 to 69 years old
"the sexagenarian population is growing"
- Someone whose age is in the sixties
"The sexagenarian celebrated her retirement after a long career"
Derived forms: sexagenarians
See also: old
Type of: golden ager [N. Amer, informal], old person, oldster [N. Amer, informal], senior citizen
Encyclopedia: Sexagenarian