octogenarian

• POS: Adjective, Noun
• HYPHEN: oc=to=ge=nar=i=an

CIDE DICTIONARY

octogenarian, n. 

 A person eighty years, or more, of age.  [1913 Webster]

OXFORD DICTIONARY

octogenarian, n. & adj.
--n. a person from 80 to 89 years old.
--adj. of this age.

Etymology

L octogenarius f. octogeni distributive of octoginta eighty

THESAURUS

octogenarian

Father Time, L, Methuselah, Nestor, Old Paar, Sexagesima, boxcar, boxcars, centenarian, dotard, dozen, duodecimo, eighty, elder, eleven, fifteen, fifty, five and twenty, fortnight, forty, four and twenty, fourscore, fourscore and ten, fourteen, gaffer, geezer, golden-ager, gramps, grandfather, grandsire, graybeard, half a hundred, long dozen, ninety, nonagenarian, old chap, old codger, old dog, old duffer, old geezer, old gent, old gentleman, old man, old party, old-timer, older, oldster, pantaloon, patriarch, presbyter, quindecennial, quindecim, quindecima, quindene, score, senior citizen, septuagenarian, seventy, sexagenarian, sexagenary, sexagesimo-quarto, sixteen, sixteenmo, sixty, sixty-four, sixty-fourmo, teens, the quiet-voiced elders, thirteen, thirty-two, thirty-twomo, threescore, threescore and ten, twelve, twelvemo, twenty, twenty-five, twenty-four, twenty-fourmo, two dozen, two weeks, twoscore, venerable sir, veteran

ROGET THESAURUS

octogenarian

Veteran

N veteran, old man, seer, patriarch, graybeard, grandfather, grandsire, grandam, gaffer, gammer, crone, pantaloon, sexagenarian, octogenarian, nonagenarian, centenarian, old stager, dotard, preadamite, Methuselah, Nestor, old Parr, elders, forefathers, superfluous lags the veteran on the stage.