/ Dictionary / Index F fungicide: Meaning and Definition of Find definitions for: fun•gi•cide Pronunciation: (fun'ju-sīd", fung'gu-), [key] — n. a substance or preparation, as a spray or dust, used for destroying fungi. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fungicide (Thesaurus) fungible fungiform Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language