Lock-up
Mutual synonyms
Both words in one sentence
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When he gets caught, he gives us the page image by becoming the vigilante Lock-Up and creating his own prison to house not only criminals but the political leaders who opposed his methods.
Source: Wardens Are Evil - Lock-Up points out that Arkham is a Cardboard Prison with a revolving door, and the villains keep coming back.
Source: Villain Has a Point -
Batman: The Animated Series features a Canon Foreigner villain, Lock-Up, who is a straw-conservative and vigilante who despises the "liberal media" and enjoys throwing everyone he doesn't like into prison.
Source: Straw Character
Cite this Source
Prison and Lock-up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/lock-up/prison
Lock-up & Prison. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/lock-up/prison>.
Prison or Lock-up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/lock-up/prison.