/ Dictionary / Index S supergravity: Meaning and Definition of Find definitions for: su•per•grav•i•ty Pronunciation: (s"pur-grav'i-tē), [key] — n. Physics. See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. supergraphics superharden Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language