/ Dictionary / Index R ritardando: Meaning and Definition of Find definitions for: ri•tar•dan•do Pronunciation: (rē"tär-dän'dōIt.rē"tär-dän'dô), [key] — adj., adv. Music. becoming gradually slower. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ritardando (Thesaurus) Ritalin rite Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language