Guard/ɡɑːrd/ Definition 1 of 5Pro Tip 1/3Safety Context Used where protection and safety are priorities, often related to property. Guards patrolled the museum during the night. Pro Tip 2/3Authority Figures Guards are often seen as figures of authority who can give orders. The guard instructed the visitors to stay inside. Pro Tip 3/3Not Always Armed In modern contexts, not all guards carry weapons; some use surveillance. The shopping center's guards used cameras to monitor activities.