/ Dictionary / Index P pari passu*: Meaning and Definition of Find definitions for: pa•ri pas•su Pronunciation: (pä'rē päs's Eng. pâr'ī pas', pâr'ē), [key] — Latin. Latin. with equal pace or progress; side by side. without partiality; equably; fairly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. paring knife paripinnate Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language