underperform

verb

un·​der·​per·​form ˌən-dər-pər-ˈfȯrm How to pronounce underperform (audio)
-pə-ˈfȯrm
underperformed; underperforming; underperforms

transitive verb

: to do worse than
… it believes the company will underperform other relatives covered by the firm …—Jim Milliot

intransitive verb

: to fail to do as well as expected
The stocks underperformed.
underperformance
ˌən-dər-pər-ˈfȯr-mən(t)s How to pronounce underperform (audio)
-pə-ˈfȯr-
noun
underperformer noun

Examples of underperform in a Sentence

The report shows which schools are underperforming.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
If these rotations fail to get results, will Spo take the blame or will fans forget his history and fault the player who is underperforming? — Ira Winderman, Sun Sentinel, 29 June 2026 There’s a consistent pattern in failed or underperforming AI initiatives. — David De Cremer, Harvard Business Review, 1 July 2026 The scheme fell apart on March 21, 2024, when Beasley failed to underperform on rebounds as planned in a game against the Brooklyn Nets, the feds say. — John Annese, New York Daily News, 29 June 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 See All Example Sentences for underperform

Word History

First Known Use

1971, in the meaning defined at transitive sense

Time Traveler
The first known use of underperform was in 1971

Rhymes for underperform

See All Rhymes for underperform

Browse Nearby Words

underpeopled
underperform
underpick
See all Nearby Words

Cite this Entry

“Underperform.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underperform. Accessed 7 Jul. 2026.

Copy Citation
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)
See More

Popular in Wordplay

See More

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

One-Word Oxymorons: Bittersweet, Spendthrift, and More

Ten Words Ending with a Silent ‘T’

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

Is that lie 'bald-faced' or 'bold-faced'?

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
hangman letters and game
Hangman Lightning Round Figure out which word fits in the blanks.
See All