The meaning of GUARD is one assigned to watch someone or something to provide security or prevent escape. How to use guard in a sentence. Synonym Discussion of Guard.

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GUARD definition: 1. a person or group of people whose job is to protect a person, place, or thing from danger or…. Learn more.

A guard is a specially organized group of people, such as soldiers or police officers, who protect or watch someone or something. We have a security guard around the whole area. A heavily armed …

n. 1. A person who protects, keeps watch, or acts as a sentinel: a prison guard. 2. a. The act or duty of guarding. b. Protection; watch: The sheepdog kept guard over the herd.

Feb 15, 2026 · Noun guard (plural guards) A person who, or thing that, protects or watches over something.

Definition of guard noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

to keep under control or restraint as a matter of caution or prudence: to guard one's temper. to provide or equip with some safeguard or protective appliance, as to prevent loss, injury, etc.

Guard definition: To keep (an opposing player) from scoring or playing effectively, usually by remaining close to the player to disrupt offensive play.

GUARD definition: to keep safe from harm or danger; protect; watch over. See examples of guard used in a sentence.