/ Dictionary / Index P propension: Meaning and Definition of Find definitions for: pro•pen•sion Pronunciation: (pru-pen'shun), [key] — n. Archaic. propensity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. propense propensity Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language