Lock up
Lock up verb - To put in or as if in prison.
Tied up
Tied up adjective - Kept occupied or engaged.
Cite this Source
Tied up and Lock up. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/lock_up/tied_up
Lock up & Tied up. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/lock_up/tied_up>.
Tied up or Lock up. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/lock_up/tied_up.
Google Ngram Viewer shows how "lock up" and "tied up" have occurred on timeline