/ Thesaurus / D Synonyms of day old Find synonyms for: Adjective1. day-old, stale (vs. fresh)usage: not fresh today; "day-old bread is cheaper than fresh"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language