definitions

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]

RELATED CONTENT

How To Cut Down Run-On SentencesA run-on sentence is a sentence where two or more independent clauses have been incorrectly joined together. An independent clause contains both a subject and a verb and can stand on its own as a complete sentence. Some examples of independent clauses include “Jane ate dinner,” “John went to the store,” and “Sue made a pie.” Comma Splices A comma splice is a grammatical error …
READ MORE
APAPRead more in this article about some frequently asked questions and fun facts related to our definitions.
READ MORE

Nearby words

rumpy-pumpy, rumrunner, rumsey, rumsfeld, run, run a fever, run a risk, run a temperature, run a tight ship, run across, 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.