Lock up
Lock up verb - To put in or as if in prison.
Make certain and lock up are semantically related in guarantee topic. In some cases you can use "Make certain" instead a verb "Lock up".
Make certain
Lock up and make certain are semantically related in guarantee topic. Sometimes you can use "Lock up" instead a verb phrase "Make certain".
Cite this Source
Make certain and Lock up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/lock_up/make_certain
Lock up & Make certain. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/lock_up/make_certain>.
Make certain or Lock up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/lock_up/make_certain.
Google Ngram Viewer shows how "lock up" and "make certain" have occurred on timeline