on guard

ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.on guard - vigilanton guard - vigilant; "on guard against con artists"; "must remain on your guard in such a situation"
في الحِراسَه
ve střehu
résen van


(gaːd) verb
1. to protect from danger or attack. The soldiers were guarding the king/palace.
2. to prevent (a person) escaping, (something) happening. The soldiers guarded their prisoners; to guard against mistakes.
1. someone who or something which protects. a guard round the king; a guard in front of the fire.
2. someone whose job is to prevent (a person) escaping. There was a guard with the prisoner every hour of the day.
3. (American conductor) a person in charge of a train.
4. the act or duty of guarding.
ˈguarded adjective
cautious. He gave guarded replies.
ˈguardedly adverb
guard of honour
soldiers or other people who are lined up as an honour to someone important. A guard of honour greeted the President at the airport.
keep guard (on)
The soldiers kept guard (on the prisoner).
off guard
unprepared. He hit me while I was off guard; to catch someone off guard.
on guard
prepared. Be on your guard against his tricks.
stand guard
to be on duty as a guard. He stood guard at the gates.
References in classic literature ?
23 /PRNewswire/ -- ON Technology Corporation (Nasdaq: ONTC) today announced a new version of ON Guard Internet Manager(TM) that gives corporations the ability to generate Internet Usage reports with a standard Internet Web browser.