1
as in acts out
to behave badly
the two-year-old was acting up in church so much that her dad had to take her outside
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2
as in cuts up
to engage in attention-getting playful or boisterous behavior
you should have seen the boys acting up when they put on their aprons
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Cite this Entry
“Acts up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/acts%20up. Accessed 29 Dec. 2024.
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