/ Dictionary / Index P prestissimo: Meaning and Definition of Find definitions for: pres•tis•si•mo Pronunciation: (pre-stis'u-mō"It.pre-stēs'sē-mô"), [key] — adv. (a musical direction) in the most rapid tempo. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: prestissimo (Thesaurus) prestigious prest money Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language