# act one's age

idiom

Source: https://englishreference.com/idiom/act-ones-age
Updated: 2026-08-10

## Meaning

To behave in a manner appropriate to one's age.

## Examples

- Stop throwing tantrums and act your age.
- His friends told him to act his age when he started a fight at the party.
- Embarrassed by her outburst, she took a deep breath and resolved to act her age, not like a spoiled child denied a toy.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.