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What is the Meaning of “Fever”?

Fever
/ˈfiːvər/

Fever is when your body temperature becomes too high, usually because you are sick.

Definition of Fever

Quick Meaning of Fever

Fever is when your body temperature becomes too high, usually because you are sick.

Detailed Definition of Fever

An abnormally high body temperature, usually accompanied by illness or infection.

How to Pronounce Fever

IPA: /ˈfiːvər/
fee ver

Stress pattern: Oo (2-syllable word).

Tip: Two syllables: FEE-ver. Stress the first syllable. Say 'fee' like the word 'fee' (payment).

Watch out: Sometimes pronounced FEV-ur with stress on second syllable. Correct: FEE-ver.

Full pronunciation guide for “fever” →

Origin and Etymology of Fever

From Latin 'febris' meaning high temperature. Related to the physical heat of illness.

How to Use Fever in a Sentence

Each example shows “fever” with a CEFR level so learners can pick examples that match their fluency.

  • “She had a fever of 39 degrees and stayed home from school.”
    A2 daily
  • “The doctor said his fever would go away in a few days.”
    A2 conversation
  • “A fever is the body's natural response to fighting infection.”
    B1 written

Synonyms and Antonyms of Fever

Common Synonyms for Fever

Smart Synonyms for Fever — When to Use Each

temperature
General term for body heat level
high temperature
Explicitly elevated body heat state
infection
Often the underlying cause of fever

See all synonyms for “fever” →

Common Collocations with Fever

These phrases pair with “fever” in everyday English:

  • have a fever
  • high fever
  • fever goes down
  • fever breaks
  • run a fever

Common Mistakes When Using Fever

Even fluent speakers slip up with “fever”. Here’s how to avoid the most common errors:

✗ Wrong: I have a fever of 36 degrees Celsius.
✓ Correct: A normal body temperature is 37 degrees. A fever is usually 38 degrees or higher.
Why: Fever only refers to abnormally elevated temperature, not normal temperatures.
✗ Wrong: A fever is always dangerous.
✓ Correct: Low fevers help the body fight infection. Very high fevers can be serious.
Why: Fevers are often beneficial for fighting illness. Only very high ones need immediate attention.

Words Confused With Fever

  • Fever vs Temperature: Temperature is the general measurement; fever is specifically abnormally high temperature due to illness.
  • Fever vs Flu: Flu is a disease that causes fever. Fever is just one symptom of flu.

Other Forms of Fever

Frequently Asked Questions About Fever

What is the meaning of "Fever"?

Fever is when your body temperature becomes too high, usually because you are sick.

How do you pronounce "Fever"?

The IPA is /ˈfiːvər/. Two syllables: FEE-ver. Stress the first syllable. Say 'fee' like the word 'fee' (payment).

What part of speech is "Fever"?

"Fever" is a noun at A2 level (Common European Framework).

What are synonyms for "Fever"?

Common synonyms include temperature, high temperature, illness.

How do you use "Fever" in a sentence?

For example: "She had a fever of 39 degrees and stayed home from school."

Explore Fever in Other Tools