/ Dictionary / Index S seven-up: Meaning and Definition of Find definitions for: sev•en-up Pronunciation: (sev'un-up'), [key] — n. See(def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: seven-up (Thesaurus) seventy-two Seven Weeks' War 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