[ fee-ver ]
/ ˈfi vər /


an abnormal condition of the body, characterized by undue rise in temperature, quickening of the pulse, and disturbance of various body functions.
an abnormally high body temperature.
the number of degrees of such a temperature above the normal.
any of a group of diseases in which high temperature is a prominent symptom: scarlet fever.
intense nervous excitement: The audience was in a fever of anticipation.

verb (used with object)

to affect with or as with fever: The excitement fevered him.

Origin of fever

before 1000; Middle English; Old English fefer < Latin febr- (stem of febris) fever; reinforced by Anglo-French fevre, Old French fievre < Latin, as above


fe·ver·less, adjectiveun·fe·vered, adjective


fervent fever feverishfever temperature
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fevering

  • A priest came out, wearing the Jacobin habit, one of those preaching friars who had been fevering the blood of Paris.

  • He wanted no second experience of fevering in Canada for a face in England.

    To Tell You the Truth|Leonard Merrick
  • She now sank down into a chair, wild and perturbed by all these new and fevering sequences.

British Dictionary definitions for fevering

/ (ˈfiːvə) /


an abnormally high body temperature, accompanied by a fast pulse rate, dry skin, etcRelated adjectives: febrile, pyretic
any of various diseases, such as yellow fever or scarlet fever, characterized by a high temperature
intense nervous excitement or agitationshe was in a fever about her party


(tr) to affect with or as if with fever

Derived forms of fever

fevered, adjectivefeverless, adjective

Word Origin for fever

Old English fēfor, from Latin febris
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 fevering

[ fēvər ]


Body temperature above the normal of 98.6°F (37°C).pyrexia
Any of various diseases in which there is an elevation of the body temperature above normal.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for fevering

[ fēvər ]

A body temperature that is higher than normal. Fever is the body's natural response to the release of substances called pyrogens by infectious agents such as bacteria and viruses. The pyrogens stimulate the hypothalamus in the brain to conserve heat and increase the basal metabolic rate.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with fevering


see cabin fever; run a fever.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.