up in arms
phrase
: aroused and ready to undertake a fight or conflict
Examples of up in arms in a Sentence
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But one proposal to bring new technology to fairground sites has the small Napa County town of Calistoga up in arms.
—
John Ramos,
CBS News,
30 June 2026
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John Ramos,
CBS News,
30 June 2026
Cite this Entry
“Up in arms.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/up%20in%20arms. Accessed 5 Jul. 2026.
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