at home in

phrase

: to know a lot about
The professor is equally at home in politics and history.

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at home
at home in
at-homeness
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Cite this Entry

“At home in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/at%20home%20in. Accessed 16 Mar. 2026.

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