/ Dictionary / Index S supersymmetry: Meaning and Definition of Find definitions for: su•per•sym•me•try Pronunciation: (s'pur-sim'i-trē), [key] — n. Physics. a hypothetical symmetry among groups of particles containing fermions and bosons, esp. in theories of gravitythat unify electromagnetism, the weak force, and the strong force with gravity into a single unified force. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: supersymmetry (Thesaurus) supersubtle supertanker Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language