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upset the apple cart

phrase

: to disturb or overturn a natural or stable order

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upsetterman
upset the apple cart
upsetting
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“Upset the apple cart.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/upset%20the%20apple%20cart. Accessed 13 Dec. 2025.

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Last Updated: - Definition revised
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