Act up and Muck about

Act up

Act up verb - To behave badly.

Muck about and act up are semantically related. (British) In some cases you can use "Muck about" instead a verb "Act up". informal substitute

Muck about

Muck about verb - Do random, unplanned work or activities or spend time idly.
Show all Definitions
Synonyms for Muck about

Act up and muck about are semantically related. Sometimes you can use "Act up" instead a verb "Muck about".
Cite this Source
Muck about and Act up. (2016). Retrieved 2026, August 12, from https://thesaurus.plus/related/act_up/muck_about
Act up & Muck about. N.p., 2016. Web. 12 Aug. 2026. <https://thesaurus.plus/related/act_up/muck_about>.
Muck about or Act up. 2016. Accessed August 12, 2026. https://thesaurus.plus/related/act_up/muck_about.
Google Ngram Viewer shows how "act up" and "muck about" have occurred on timeline