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
Wealthy Qatar and Saudi Arabia underperformed despite vast investments, casting doubt on Saudi Arabia's 2034 World Cup aspirations.
—
Simon Chadwick,
Forbes.com,
2 July 2026
Larger defense firms from around Europe, such as BAE Systems, Leonardo and Thales, have fared better, but still mostly underperformed the Stoxx 600 index, following massive gains since 2021.
—
Elsa Ohlen,
CNBC,
2 July 2026
Other bettors missed out and lost money, mistakenly placing wagers on Beasley to underperform the rebound total because of an apparent miscommunication, the indictment said.
—
ABC News,
1 July 2026
There’s a consistent pattern in failed or underperforming AI initiatives.
—
David De Cremer,
Harvard Business Review,
1 July 2026
See All Example Sentences for underperform
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Simon Chadwick,
Forbes.com,
2 July 2026
Larger defense firms from around Europe, such as BAE Systems, Leonardo and Thales, have fared better, but still mostly underperformed the Stoxx 600 index, following massive gains since 2021.
—
Elsa Ohlen,
CNBC,
2 July 2026
Other bettors missed out and lost money, mistakenly placing wagers on Beasley to underperform the rebound total because of an apparent miscommunication, the indictment said.
—
ABC News,
1 July 2026
There’s a consistent pattern in failed or underperforming AI initiatives.
—
David De Cremer,
Harvard Business Review,
1 July 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 5 Jul. 2026.
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