Start
Start verb - To move suddenly and sharply (as in surprise).
Started up and start are semantically related. In some cases you can replace phrase "Started up" with "Start", this terms are similar.
Started up
Start and started up are semantically related. You can use "Start" instead a verb phrase "Started up".
Cite this Source
Started up and Start. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/start/started_up
Start & Started up. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/start/started_up>.
Started up or Start. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/start/started_up.
Google Ngram Viewer shows how "start" and "started up" have occurred on timeline