1
guard
noun
- a state in which someone is carefully looking for possible danger, threats, problems, etc.
- a person whose job or duty is to watch and protect someone or something
- a group of people (such as soldiers) who protect a person or place
2
guard
verb
- to watch (someone) in order to prevent escape
- to protect (someone or something) from danger or attack
- to be careful about not telling or talking about (something, such as a secret)