Lock up
Lock up verb - To put in or as if in prison.
Pack
Pack verb - To close up so that no empty spaces remain.
Both terms in one sentence
- Even after he develops a six pack at the age of 14, his muscles still lock up after use.
Cite this Source
Pack and Lock up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/lock_up/pack
Lock up & Pack. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/lock_up/pack>.
Pack or Lock up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/lock_up/pack.
Google Ngram Viewer shows how "lock up" and "pack" have occurred on timeline