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run a fever

Also, run a temperature. Suffer from a body temperature higher than normal, as in She was running a fever so I kept her home from school. These idioms use run in the sense of “cause to move,” in this case upward. [Early 1900s]

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Nearby words

  1. rumpy-pumpy,
  2. rumrunner,
  3. rumsey,
  4. rumsfeld,
  5. run,
  6. run a risk,
  7. run a temperature,
  8. run a tight ship,
  9. run across,
  10. run afoul of
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.