: a purpose usually unintentionally contrary to another purpose of oneself or of someone or something else
usually used in plural
the two were always working at cross-purposes

Examples of cross-purpose in a Sentence

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.
This economic model is often at cross-purposes with environmental stewardship because the commodity has more value than the environmental resources. Dp Opinion, Denver Post, 29 July 2026 The members of their tribe were running around the beach at cross-purposes, trying to set up camp—to set up a society. Julie Beck, The Atlantic, 12 May 2026 In my experience, this approach can give organizations greater confidence that their frameworks are delivering security value and are not working at cross-purposes with each other. Steve Durbin, Forbes.com, 11 May 2026 But as soon as one flagellar motor reverses direction and starts rotating clockwise, the bundle falls apart; the reverse-twirling filament unravels the braid and puts the cell’s flagellar motors at cross-purposes, kicking the cell around. Quanta Magazine, 20 Apr. 2026 See All Example Sentences for cross-purpose

Word History

First Known Use

1668, in the meaning defined above

Time Traveler
The first known use of cross-purpose was in 1668

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Cite this Entry

“Cross-purpose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cross-purpose. Accessed 2 Aug. 2026.

Kids Definition

cross-purpose

noun
cross-pur·​pose
ˈkrȯ-ˈspər-pəs
: a purpose unintentionally contrary to someone else's purpose
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