Sexagenarian

[,seksədʒɪ'neərɪən] or [,sɛksədʒə'nɛrɪən]

Definition

(noun.) someone whose age is in the sixties.

(adj.) being from 60 to 69 years old; 'the sexagenarian population is growing' .

Edited by Harold--From WordNet

Definition

(n.) A person who is sixty years old.

Editor: Susanna

Definition

n. a person sixty years old.—adj. Sexag′enary designating the number sixty.—n. a sexagenarian: something containing sixty.—ns. Sex′agene an arc or angle of 60? Sexages′ima the second Sunday before Lent (see Septuagesima).—adj. Sexages′imal pertaining to the number sixty: proceeding by sixties.—adv. Sexages′imally.

Checked by Karol