Breadcrumb Home > Dictionary > Index S sustenance: Meaning and Definition of Find definitions for: sus•te•nance Pronunciation: (sus'tu-nuns), [key] — n. means of sustaining life; nourishment. means of livelihood. the process of sustaining. the state of being sustained. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sustenance (Thesaurus) sustaining program sustentacular TrendingHere are the facts and trivia that people are buzzing about. The Olympian Gods and Goddesses (Their Names & Powers) The Largest States in the U.S. by Area Current Events This Week: March 2023 Christina Rossetti: Jesus, Do I Love Thee? 10 Biggest Waterfalls in the World (Tallest, Widest, & Most Volume!) World Religions: What People Believe and Where ✖ Related Content Daily Word Quiz: indolent Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language