/ Dictionary / Index F flump: Meaning and Definition of Find definitions for: flump Pronunciation: (flump), [key] — v.i., v.t. to plump down suddenly or heavily; flop. —n. the act or sound of flumping. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: flump (Thesaurus) flummox flung Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language