/ Dictionary / Index F fire-retardant: Meaning and Definition of Find definitions for: fire-re•tard•ant Pronunciation: (fīr'ri-tär"dnt), [key] — adj. able to slow or check the spread of destructive fire. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fire-retardant (Thesaurus) fire-resistant fireroom Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language