/ Dictionary / Index S sostenuto: Meaning and Definition of Find definitions for: sos•te•nu•to Pronunciation: (sos"tu-n'tō, sō"stu-It.sôs"te-n'tô), [key] — adj., n., pl. -tos, -ti —adj. sustained or prolonged in the time value of the tones. —n. a movement or passage played in this manner. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. so-so sostenuto pedal Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language