Lock up
Lock up verb - Secure by locking.
Usage example: lock up the house before you go on vacation
Mutual synonyms
Both terms in one sentence
- Even if that start-up password WAS secure, it does *NOT* lock up the documents stored on a hard drive, which can easily be accessed by another operating system to which you DO have the password.
Source: Highly Visible Password
Cite this Source
Secure and Lock up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/lock_up/secure
Lock up & Secure. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/lock_up/secure>.
Secure or Lock up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/lock_up/secure.
Google Ngram Viewer shows how "lock up" and "secure" have occurred on timeline