Guard
Guard noun - A precautionary measure warding off impending danger or damage or injury etc..
Usage example: we let our guard down
Precaution
Precaution noun - A measure taken to preclude loss or injury.
Usage example: as parents of young children, they have taken the usual precaution of locking up their household cleansers
Nearby Word: precautionary
Mutual synonyms
How words are described
Both words in one sentence
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In "Bound", knowing that the Orion females are emitting a pheromone that allows them to manipulate the men onboard, they decide to lock them in the Decon Chamber as a safety precaution... then decide to post a male guard in the room with them.
Source: Series / Star Trek: Enterprise - The Imperial Guard actually have a rule called "For Your Own Good", where a Psyker that comes under psychic assault while using their powers is summarily killed as a precaution if a Commissar is in the squad.
Source: For Your Own Good
Cite this Source
Precaution and Guard. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/guard/precaution
Guard & Precaution. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/guard/precaution>.
Precaution or Guard. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/guard/precaution.
Google Ngram Viewer shows how "guard" and "precaution" have occurred on timeline