/ Dictionary / Index A age-old: Meaning and Definition of Find definitions for: age-old Pronunciation: (āj'ōld"), [key] — adj. ancient; from time immemorial: an age-old tradition. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: age-old (Thesaurus) Age of Reason ageratum Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language