fever

noun
fe·​ver | \ ˈfē-vər How to pronounce fever (audio) \

Definition of fever

 (Entry 1 of 2)

1a : a rise of body temperature above the normal
b : any of various diseases of which fever is a prominent symptom
2a : a state of heightened or intense emotion or activity
b : a contagious usually transient enthusiasm : craze

fever

verb
fevered; fevering\ ˈfē-​vriŋ How to pronounce fever (audio) , ˈfe-​vər-​iŋ \

Definition of fever (Entry 2 of 2)

transitive verb

: to throw into a fever : agitate

intransitive verb

: to contract or be in a fever : become feverish

Keep scrolling for more

Examples of fever in a Sentence

Noun The symptoms of the disease include headache and fever. We waited in a fever of anticipation. He had us all in a fever with worry.
See More
Recent Examples on the Web: Noun Symptoms in rabbits include: lethargy, high fever, seizures, jaundice, bleeding from nose, mouth, or rectum, difficulty breathing, and sudden death. Outdoor Life, "A Deadly Virus Is Spreading Among Wild Rabbits and Hares. Wildlife Agencies Are Calling on Hunters for Help," 21 Dec. 2020 Alone in her bedroom and fighting a high fever, Antonio began hallucinating. Washington Post, "A Canadian woman has been sick with covid-19 long-term effects for nearly 9 months: ‘I’m definitely worried it will be permanent’," 9 Dec. 2020 Another person developed a high fever of over 104 Fahrenheit after receiving the first dose of vaccine. Helen Branswell, STAT, "Detailed data on AstraZeneca-Oxford Covid-19 vaccine show it has moderate efficacy," 8 Dec. 2020 What doctors do know is that severe symptoms — high fever, headache and body aches — are more likely to manifest themselves early with the flu. Peter Fimrite, SFChronicle.com, "First known case in Bay Area of dual coronavirus-flu infection found in Solano County man," 29 Oct. 2020 First the otherwise healthy 10-year-old boy complained of a headache and no appetite, followed by a high fever that wouldn’t subside with pain relievers. Angie Leventis Lourgos, chicagotribune.com, "‘So happy to bring my son home.’ 10-year-old boy survives severe inflammatory syndrome associated with COVID-19.," 23 Oct. 2020 Days after that lunch, Albert Joseph left work early, suffering from fevers, chills and a high fever. Katy Reckdahl, NOLA.com, "'The impact of work': On-the-job coronavirus exposure a key driver in Black, Latino communities," 17 Oct. 2020 The most common symptoms for COVID-19 are a high fever, chills, dry cough and fatigue. Robin Lloyd, Scientific American, "Coronavirus News Roundup, October 10-October 16," 16 Oct. 2020 But a dangerously high fever would be cause for concern. San Diego Union-Tribune, "2 things we know (and 3 we don’t) about Johnson & Johnson and Eli Lilly pausing COVID-19 trials," 13 Oct. 2020 Recent Examples on the Web: Verb Like a snowstorm that starts with few flakes before shutting down the city, his aches turned into chills and then fever. oregonlive, "Despair in the ICU with COVID-19 and then hope for life and a message for 2021," 23 Dec. 2020 Symptoms typically appear within 14 days of being bitten and include severe muscle aches and pains, fever and sometimes a rash, according to the health department. CBS News, "11th case of dengue fever confirmed in Florida Keys," 8 July 2020 As of last Thursday, Young is back home and fever free. Akeem Glaspie, Indianapolis Star, "In their own words: What it feels like to have coronavirus," 15 Apr. 2020 Of those that do, fever, rash, joint pain and conjunctivitis (red eyes) are the most common symptoms of Zika virus. Rob Picheta, CNN, "First native Zika cases in Europe confirmed as experts warn climate change could bring more," 7 Nov. 2019 For the final quarter of their set, the band’s fevered, crunchy improvisations bred a full-on dance party, with fans of all ages getting in on the fun. Natalie Weiner, Billboard, "Herbie Hancock & Cecile McLorin Salvant Among 9 Best Moments at 2019 Newport Jazz Festival," 5 Aug. 2019 Proponents also argue that there is little evidence that fever itself, even a high fever, is harmful. Richard Klasco, New York Times, "If Fever Helps Fight Infection, Should I Avoid Fever-Reducing Drugs?," 11 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fever.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of fever

Noun

before the 12th century, in the meaning defined at sense 1a

Verb

1606, in the meaning defined at transitive sense

History and Etymology for fever

Noun

Middle English, from Old English fēfer, from Latin febris

Keep scrolling for more

Learn More about fever

Time Traveler for fever

Time Traveler

The first known use of fever was before the 12th century

See more words from the same century

Statistics for fever

Last Updated

14 Jan 2021

Cite this Entry

“Fever.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fever. Accessed 18 Jan. 2021.

Keep scrolling for more

More Definitions for fever

fever

noun
How to pronounce fever (audio)

English Language Learners Definition of fever

: a body temperature that is higher than normal
: a disease that causes an increase in body temperature
: a state of excited emotion or activity

fever

noun
fe·​ver | \ ˈfē-vər How to pronounce fever (audio) \

Kids Definition of fever

1 : a body temperature that is higher than normal
2 : a disease involving fever

fever

noun
fe·​ver | \ ˈfē-vər How to pronounce fever (audio) \

Medical Definition of fever

 (Entry 1 of 2)

1 : a rise of body temperature above the normal whether a natural response (as to infection) or artificially induced for therapeutic reasons
2 : an abnormal bodily state characterized by increased production of heat, accelerated heart action and pulse, and systemic debility with weakness, loss of appetite, and thirst
3 : any of various diseases of which fever is a prominent symptom

fever

verb
fevered; fevering\ ˈfēv-​(ə-​)riŋ How to pronounce fever (audio) \

Medical Definition of fever (Entry 2 of 2)

transitive verb

: to affect with fever the malarial plasmodia fevered him

intransitive verb

: to contract or be in a fever : be or become feverish the malaria victim fevered intermittently

Keep scrolling for more

Comments on fever

What made you want to look up fever? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Words of Snow and Ice Quiz

  • image1037863653
  • Which of the following refers to thin, bending ice, or to the act of running over such ice?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!