Protection
Protection noun - Means or method of defending.
Security system and protection are semantically related in safety topic. In some cases you can use "Security system" instead a noun "Protection".
Security system
Security system noun - An electrical device that sets off an alarm when someone tries to break in.
Show all Definitions
Synonyms for Security system
Protection and security system are semantically related in safety topic. Sometimes you can use "Protection" instead a noun phrase "Security system".
Cite this Source
Security system and Protection. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/protection/security_system
Protection & Security system. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/protection/security_system>.
Security system or Protection. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/protection/security_system.
Google Ngram Viewer shows how "protection" and "security system" have occurred on timeline