Act up and Misbehave

Act up

Act up verb - To behave badly.
Usage example: the two-year-old was acting up in church so much that her dad had to take her outside

Misbehave is a synonym for act up. In some cases you can use "Misbehave" instead a verb "Act up". popular alternative

Misbehave

Misbehave verb - To behave badly.
Usage example: scolded the children for misbehaving and sent them to bed early

Act up is a synonym for misbehave in good topic. You can use "Act up" instead a verb "Misbehave", if it concerns topics such as carry on, thrive, be naughty, act in inappropriate manner. informal substitute
Cite this Source
Misbehave and Act up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/act_up/misbehave
Act up & Misbehave. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/act_up/misbehave>.
Misbehave or Act up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/act_up/misbehave.
Google Ngram Viewer shows how "act up" and "misbehave" have occurred on timeline