foul up

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Will this dirty business foul up anyone’s career?

From Los Angeles Times • Oct. 9, 2025

Self-deleting messages can also foul up long-established record-retention practices and, for some federal employees, they may constitute a violation of the law.

From New York Times • Jul. 6, 2017

This winter, he says, there’s no El Nino to foul up the weather prognostication.

From Washington Times • Aug. 14, 2016

She had no pitch, rhythm nor tone yet became a popular curiosity for punters keen to see her foul up an aria.

From The Guardian • Dec. 29, 2015

I partly blame all those dopes that clap their heads off--they'd foul up anybody, if you gave them a chance.

From "The Catcher in the Rye" by J. D. Salinger