/ Dictionary / Index F febrile: Meaning and Definition of Find definitions for: fe•brile Pronunciation: (fē'brul, feb'rul or, esp. Brit., fē'brīl), [key] — adj. pertaining to or marked by fever; feverish. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: febrile (Thesaurus) febrifuge febris Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language