Keep
Lock up
Lock up verb - To put in or as if in prison.
Usage example: if they catch you, they're going to lock you up and throw away the key!
Mutual synonyms
Both terms in one sentence
- This allows him to keep the memories without the deep emotional attachments - which would cause him to lock up mentally.
Source: The Fog of Ages -
In the second season, where she actually owns and runs the pound, her only goal is to lock up every puppy and keep them behind bars.
Cite this Source
Lock up and Keep. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/keep/lock_up
Keep & Lock up. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/keep/lock_up>.
Lock up or Keep. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/keep/lock_up.
Google Ngram Viewer shows how "keep" and "lock up" have occurred on timeline