Act up
Act up verb - To behave badly.
Be difficult and act up are semantically related. In some cases you can use "Be difficult" instead a verb "Act up".
Be difficult
Act up and be difficult are semantically related. You can use "Act up" instead a verb phrase "Be difficult".
Mutual synonyms
Cite this Source
Be difficult and Act up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/act_up/be_difficult
Act up & Be difficult. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/act_up/be_difficult>.
Be difficult or Act up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/act_up/be_difficult.
Google Ngram Viewer shows how "act up" and "be difficult" have occurred on timeline