octogenarian

Definitions of octogenarian
1

adj being from 80 to 89 years old

Synonyms:
old
(used especially of persons) having lived for a relatively long time or attained a specific age

n someone whose age is in the eighties

Type of:
golden ager, old person, oldster, senior citizen
an elderly person

Sign up, it's free!

Whether you're a student, an educator, or a life-long learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.