/ Dictionary / Index S supramolecular: Meaning and Definition of Find definitions for: su•pra•mo•lec•u•lar Pronunciation: (s"pru-mu-lek'yu-lur), [key] — adj. having an organization more complex than that of a molecule. composed of an aggregate of molecules. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. supralittoral supranational Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language