/ Dictionary / Index L lentissimo: Meaning and Definition of Find definitions for: len•tis•si•mo Pronunciation: (len-tis'u-mō"It.len-tēs'sē-mô"), [key] — Music. Music. —adj. very slow. —adv. very slowly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lentissimo (Thesaurus) lentisk lentivirus Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language