Definitions
There is 1 meaning of the phrase
On Guard.
On Guard - as an adjective satellite
Vigilant
Example: "On guard against con artists"
Synonyms (Exact Relations)
on one's guardon your guardupon one's guardExample Sentences
"The security guards are always on guard to protect the museum."
"The soldier stood on guard at the entrance to the military base."
"The watchdog is constantly on guard to protect the house."
"The police officer was on guard during the protest."
"The security system is always on guard, monitoring for any suspicious activity."
