noun |
adj |
verb |
adv |
(noun) sentry duty, sentry go, guard duty
the duty of serving as a sentry
he was on guard that night
(noun) safeguard, precaution
a precautionary measure warding off impending danger or damage or injury etc.
he put an ice pack on the injury as a precaution; an insurance policy is a good safeguard; we let our guard down
(noun) safety, safety device
a device designed to prevent injury or accidents
(verb) ward
watch over or shield from danger or harm; protect
guard my possessions while I'm away
protect against a challenge or attack
Hold that position behind the trees!; Hold the bridge against the enemy's attacks