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
According to one study , the top ~4% of stocks generate all net long-term wealth creation while the median stock massively underperforms the index.
—Michael Khouw, CNBC, 28 Nov. 2025
Six Flags has no plans to sell Knott’s Berry Farm or Six Flags Magic Mountain as the struggling company considers selling underperforming amusement parks amid a plummeting stock price and declining revenues.
—Brady MacDonald, Oc Register, 28 Nov. 2025
Then consider both head coaches — Sean McDermott in Buffalo and Mike Tomlin in Pittsburgh — have been consistent winners but neither has had a particularly smooth ride over the past year-plus, and both have groups that are underperforming so far this season.
—Parker Gabriel, Denver Post, 28 Nov. 2025
His Cincinnati run and Ohio State pedigree were selling points for the program’s reset, but Wisconsin has underperformed immensely the last two college football seasons.
—Rowan Fisher-Shotton, MSNBC Newsweek, 27 Nov. 2025
See All Example Sentences for underperform
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Michael Khouw, CNBC, 28 Nov. 2025
Six Flags has no plans to sell Knott’s Berry Farm or Six Flags Magic Mountain as the struggling company considers selling underperforming amusement parks amid a plummeting stock price and declining revenues.
—Brady MacDonald, Oc Register, 28 Nov. 2025
Then consider both head coaches — Sean McDermott in Buffalo and Mike Tomlin in Pittsburgh — have been consistent winners but neither has had a particularly smooth ride over the past year-plus, and both have groups that are underperforming so far this season.
—Parker Gabriel, Denver Post, 28 Nov. 2025
His Cincinnati run and Ohio State pedigree were selling points for the program’s reset, but Wisconsin has underperformed immensely the last two college football seasons.
—Rowan Fisher-Shotton, MSNBC Newsweek, 27 Nov. 2025
See All Example Sentences for underperform
Cite this Entry
“Underperform.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underperform. Accessed 4 Dec. 2025.
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