[ fee-bruh l, feb-ruh l or, esp. British, fee-brahyl ]
/ ˈfi brəl, ˈfɛb rəl or, esp. British, ˈfi braɪl /


pertaining to or marked by fever; feverish.

Origin of febrile

1645–55; < New Latin, Medieval Latin febrīlis. See fever, -ile

Related forms

fe·bril·i·ty [fi-bril-i-tee] /fɪˈbrɪl ɪ ti/, nounnon·fe·brile, adjectivepost·fe·brile, adjectiveun·fe·brile, adjective
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Examples from the Web for febrile

British Dictionary definitions for febrile


/ (ˈfiːbraɪl) /


of or relating to fever; feverish

Derived Forms

febrility (fɪˈbrɪlɪtɪ), noun

Word Origin for febrile

C17: from medical Latin febrīlis, from Latin febris fever
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for febrile


[ fĕbrəl, fēbrəl ]


Of, relating to, or characterized by fever; feverish.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.