verb phrase / idiom · informal

run a fever

UK/rʌn ə ˈfiːvə(r)/US/rʌn ə ˈfiːvər/run a FE·ver

speakingtask1

to have a raised body temperature; to be feverish

Examples

She has been running a fever since last night.

If your child is running a fever, keep them home from school.

He ran a high fever after the infection.

Band 8 sentence

The study noted that children who run high fevers in the first week after infection tended to recover more slowly.

Collocations

  • run a high fever
  • run a low-grade fever

Word family

run verbfever noun

Common mistakes

I run fever yesterday.I ran a fever yesterday.

He is running fever.He is running a fever.

Say it for a higher band

5be sick6have a fever7+run a fever

Synonyms

have a fever

be feverish

Easily confused

have a fever

The patient had a fever for three days.

Related words

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In run …

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