/ Thesaurus / T Synonyms of time release Find synonyms for: Adjective1. time-releaseusage: of or relating to a preparation that gradually releases an active substance (especially a drug) over a period of timeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language