/ Dictionary / Index P proliferous: Meaning and Definition of Find definitions for: pro•lif•er•ous Pronunciation: (pru-lif'ur-us), [key] — adj. proliferating. producing new individuals by budding or the like. producing an organ or shoot from an organ that is itself normally the last, as a shoot or a new flower from the midst of a flower. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. proliferation prolific Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language