Act up
Act up verb - To behave badly.
Malfunctioning and act up are semantically related. In some cases you can replace term "Malfunctioning" with "Act up", this verbs are similar.
Malfunctioning
Malfunctioning adjective - Not being in working order.
Act up and malfunctioning are semantically related. Sometimes you can use "Act up" instead a verb "Malfunctioning".
Nearby Words: malfunction, malfunctioned
Mutual synonyms
Cite this Source
Malfunctioning and Act up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/act_up/malfunctioning
Act up & Malfunctioning. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/act_up/malfunctioning>.
Malfunctioning or Act up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/act_up/malfunctioning.
Google Ngram Viewer shows how "act up" and "malfunctioning" have occurred on timeline