Lock
Lock noun - One that is certain to succeed.
Security device and lock are semantically related. In some cases you can use "Security device" instead a noun "Lock".
Security device
Lock and security device are semantically related. You can use "Lock" instead a noun phrase "Security device".
Mutual synonyms
Both terms in one sentence
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It also doesn't hurt that the Sonic Screwdriver can open any lock, and disable pretty much any other security device, or that the Tardis isn't exactly inhibited by walls.
Source: Swiss Cheese Security
Cite this Source
Security device and Lock. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/lock/security_device
Lock & Security device. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/lock/security_device>.
Security device or Lock. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/lock/security_device.
Google Ngram Viewer shows how "lock" and "security device" have occurred on timeline