Lock up and Unlock

Opposite meaning terms

Lock up verb - To put in or as if in prison.

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Unlock is an antonym for lock up in topics: attach, obtain.

Unlock verb - To set free (from a state of being held in check).

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Lock up is an antonym for unlock.

Nearby Words: unlocked, unlocking

Cite this Source

Unlock and Lock up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/lock_up/unlock

Lock up & Unlock. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/lock_up/unlock>.

Unlock or Lock up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/lock_up/unlock.

Google Ngram Viewer shows how "lock up" and "unlock" have occurred on timeline