/ Thesaurus / O Synonyms of oldness Find synonyms for: Noun1. oldness, ageusage: the opposite of youngness2. oldness, ageusage: the quality of being old; the opposite of newnessWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language