Act up
Act up verb - To behave badly.
Crash and act up are semantically related. in malfunction topic. In some cases you can use "Crash" instead a verb "Act up".
Crash
Crash verb - To stop functioning.
Usage example: my computer crashed yet again
Mutual synonyms
Cite this Source
Crash and Act up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/act_up/crash
Act up & Crash. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/act_up/crash>.
Crash or Act up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/act_up/crash.
Google Ngram Viewer shows how "act up" and "crash" have occurred on timeline