| noun | a person who keeps watch over something or someone |
| noun | the person who plays that position on a football team “the left guard was injured on the play” |
| noun | a device designed to prevent injury or accidents |
| noun | a posture of defence in boxing or fencing “keep your guard up” |
| noun | the person who plays the position of guard on a basketball team |
| noun | a military unit serving to protect some place or person |
| noun | a precautionary measure warding off impending danger or damage or injury etc. “he put an ice pack on the injury as a precaution” |
| noun | the duty of serving as a sentry “he was on guard that night” |
| noun | (American football) a position on the line of scrimmage “guards must be good blockers” |
| noun | a position on a basketball team |
| verb | to keep watch over “there would be men guarding the horses” |
| verb | watch over or shield from danger or harm; protect “guard my possessions while I'm away” |
| verb | protect against a challenge or attack “Hold that position behind the trees!” |
| verb | take precautions in order to avoid some unwanted consequence “guard against becoming too friendly with the staff” |
| guard | verb | to keep watch over |
| precautionary | adjective | taken in advance to protect against possible danger or failure |
| safeguard | verb | make safe |
| guard | noun | the duty of serving as a sentry |
| ward | noun | a person who is under the protection or in the custody of another |
| warder | noun | a person who works in a prison and is in charge of prisoners |
| defensible | adjective | capable of being defended |
| defensive | adjective | intended or appropriate for defending against or deterring aggression or attack |
| defender | noun | a person who cares for persons or property |
| defence | noun | an organization of defenders that provides resistance against attack |