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on earth

phrase

—used as an intensive
… to find out what on earth he was up to …—Michael Holroyd

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one-armed bandit
on earth
on easy street
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Cite this Entry

“On earth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20earth. Accessed 21 Dec. 2025.

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Last Updated: - Definition revised
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