- The definition of a fever is a body temperature above normal, a disease with a high fever, or a condition of being uneasy and excited.
- An example of a fever is 102 degrees fahrenheit.
- An example of a fever is typhoid.
- An example of a fever is a nervous fidget.
A child with a fever has his temperature taken.Licensed from iStockPhoto
- a body temperature that is higher than normal, caused by an infection, ovulation, vigorous exercise, etc.; pyrexia
- any of various diseases characterized by a high fever: yellow fever
- a condition of nervousness or restless excitement
Origin: Middle English ; from Old English fefer and amp; Old French fievre, both ; from Classical Latin febris ; from Indo-European base an unverified form dhegwh-, to burn from source Classical Latin fovere, to warm, Middle Irish daig, fire
- fevered adjective
Used by arrangement with John Wiley & Sons, Inc.
- a. Abnormally high body temperature.b. Any of various diseases characterized by abnormally high body temperature.
- a. A condition of heightened activity or excitement: a fever of anticipation.b. A contagious, usually short-lived enthusiasm or craze: disco fever.
Origin: Middle English, from Old English fefor and from Old French fievre, both from Latin febris.
fever - Medical Definition
- Body temperature above the normal of 98.6°F (37°C). Also called pyrexia.
- Any of various diseases in which there is an elevation of the body temperature above normal.
fever - Phrases/IdiomsThe American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
fever - Science Definition
Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.