/ Dictionary / Index P part. adj.: Meaning and Definition of Find definitions for: part. adj. Pronunciation: [key] participial adjective. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. part partake Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language