act one's age

phrase

: to act in a way that is appropriate for a person of one's age
You should learn to act your age.

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Acton
act one's age
act on/upon
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Cite this Entry

“Act one's age.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/act%20one%27s%20age. Accessed 7 Mar. 2026.

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