underperform
verb
un·der·per·form
ˌən-dər-pər-ˈfȯrm 
-pə-ˈfȯrm
underperformed; underperforming; underperforms
: to do worse than
… it believes the company will underperform other relatives covered by the firm …—
Jim Milliot
Jim Milliot
: to fail to do as well as expected
The stocks underperformed.
underperformer
noun
Examples of underperform in a Sentence
The report shows which schools are underperforming.
Recent Examples on the Web
But his slump at the plate is one of the key reasons the Giants have been underperforming this season.
—Peter Chawaga, Forbes.com, 30 May 2026
Which teams are surprising, which are underperforming, and which are one do-over away from changing their fate.
—Chad Jennings, New York Times, 29 May 2026
Fairley also admitted Thursday to placing wagers and recruiting and bribing college basketball players to underperform in games in a separate NCAA point-shaving case brought by federal prosecutors in Pennsylvania.
—Tom Winter, NBC news, 28 May 2026
Low-intent or underperforming search terms should be reviewed regularly to avoid wasting budget on clicks that rarely convert.
—Matthew Kayser, USA Today, 28 May 2026
See All Example Sentences for underperform
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Peter Chawaga, Forbes.com, 30 May 2026
Which teams are surprising, which are underperforming, and which are one do-over away from changing their fate.
—Chad Jennings, New York Times, 29 May 2026
Fairley also admitted Thursday to placing wagers and recruiting and bribing college basketball players to underperform in games in a separate NCAA point-shaving case brought by federal prosecutors in Pennsylvania.
—Tom Winter, NBC news, 28 May 2026
Low-intent or underperforming search terms should be reviewed regularly to avoid wasting budget on clicks that rarely convert.
—Matthew Kayser, USA Today, 28 May 2026
See All Example Sentences for underperform
Cite this Entry
“Underperform.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underperform. Accessed 2 Jun. 2026.
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