noun
- a person whose job is to protect someone or something
- a state of being watchful and ready to defend against danger
- a protective device or barrier
verb
- to protect someone or something from danger or harm
- to be careful about something to prevent problems
Examples
- The security guard checked everyone’s ID at the entrance.
- She kept her guard up during the negotiation.
- The machine has a safety guard over the moving parts.
- The point guard dribbled the ball down the court.
- Two soldiers were assigned to guard the prisoner.
- You should guard your personal information online.
- The dog guards the house while we’re away.
- He tried to guard against making the same mistake twice.