Breadcrumb Home > Dictionary > Index D decuple: Meaning and Definition of Find definitions for: dec•u•ple Pronunciation: (dek'yoo-pul), [key] — adj., n., v., -pled, -pling. —adj. ten times as great; tenfold. —n. a tenfold quantity or multiple. —v.t. to make ten times as great. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. decumbent decurion TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: fatuous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language