(noun, verb)


1. a person who keeps watch over something or someone

Definition categories: person, defender, guardian, protector, shielder

2. the person who plays that position on a football team

- the left guard was injured on the play

Definition categories: person, lineman

3. a device designed to prevent injury or accidents

Similar word(s): safety

Definition categories: man–made, device

4. a posture of defence in boxing or fencing

- keep your guard up

Definition categories: attribute, attitude, position, posture

5. the person who plays the position of guard on a basketball team

Definition categories: person, basketeer, cager

6. a military unit serving to protect some place or person

Definition categories: group, force

7. a precautionary measure warding off impending danger or damage or injury etc.

- an insurance policy is a good safeguard

- we let our guard down

Similar word(s): precaution, safeguard

Definition categories: act, measure, step

8. the duty of serving as a sentry

- he was on guard that night

Definition categories: act, assignment

9. (American football) a position on the line of scrimmage

- guards must be good blockers

Definition categories: act, lineman

10. a position on a basketball team

Definition categories: act, position

Sentences with guard as a noun:

- The prison guard unlocked the door of the cell.

- The president inspected the guard of honour.

- The motorcycle mechanic removed the damaged chain guard.


1. to keep watch over

- there would be men guarding the horses

Definition categories: social, follow, observe, watch

2. watch over or shield from danger or harm; protect

- guard my possessions while I'm away

Similar word(s): ward

Definition categories: competition, protect

3. protect against a challenge or attack

Similar word(s): defend, hold

Definition categories: competition, protect

4. take precautions in order to avoid some unwanted consequence

- guard against becoming too friendly with the staff

- guard against infection

Definition categories: social, act, move

Sentences with guard as a verb:

- Guard the prisoner.

- Careful people guard against mistakes.