Guard
Guard noun - Means or method of defending.
Usage example: the boxer's sparring partner managed to get a blow in under his left guard
Security is a synonym for guard in protection topic. In some cases you can use "Security" instead a noun "Guard", when it comes to topics like attack, shield, defense. popular alternative
Mutual synonyms
How words are described
Both words in one sentence
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Additionally, there is watch, guard and security training; in earlier times because the Bundeswehr used to protect its own facilities instead of using civilian guards; nowadays because that stuff comes handy when you're manning a checkpoint somewhere in the Balkans.
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Laser-Guided Karma: The guard in the Kyln that leaves Gamora to the prisoners ends up being the guard she rips a security armband from.
Source: Film / Guardians of the Galaxy -
When Kingpin asked how Bullseye got past his security, Bullseye pointed to a guard he just killed.
Source: Swiss Cheese Security
Cite this Source
Security and Guard. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/guard/security
Guard & Security. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/guard/security>.
Security or Guard. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/guard/security.
Google Ngram Viewer shows how "guard" and "security" have occurred on timeline