/ Dictionary / Index P profusion: Meaning and Definition of Find definitions for: pro•fu•sion Pronunciation: (pru-fy'zhun), [key] — n. abundance; abundant quantity. a great quantity or amount (often fol. by of&hasp;). lavish spending; extravagance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: profusion (Thesaurus) profuse profusive 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