/ Dictionary / Index S subsist: Meaning and Definition of Find definitions for: sub•sist Pronunciation: (sub-sist'), [key] — v.i. to exist; continue in existence. to remain alive; live, as on food, resources, etc. to have existence in, or by reason of, something. to reside, lie, or consist (usually fol. by in). to have timeless or abstract existence, as a number, relation, etc. to have existence, esp. independent existence. —v.t. to provide sustenance or support for; maintain. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: subsist (Thesaurus) subsidy subsistence Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language