/ Dictionary / Index S supersubtle: Meaning and Definition of Find definitions for: su•per•sub•tle Pronunciation: (s"pur-sut'l), [key] — adj. extremely or excessively subtle; oversubtle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. superstructure supersymmetry 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