/ Dictionary / Index S superfund: Meaning and Definition of Find definitions for: su•per•fund Pronunciation: (s'pur-fund"), [key] — n. a large fund set up to finance an expensive program or project. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: superfund (Thesaurus) Superfortress superfuse 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