Left Definition 1 of 3Right
LampPro Tip 1/3
Visual ImageryPlay
Think of a sentinel as an observer who carefully watches over a specific area or object. SlideA motion sensor acted as a silent sentinel, triggering the alarm.
LampPro Tip 2/3
Sentinel can be used to describe non-human entities that act as guards, like security systems. SlideThe lighthouse served as a sentinel for the safe return of sailors.
LampPro Tip 3/3
Metaphoric UsePlay
Used metaphorically, 'sentinel' implies vigilance and an imposing or protective presence. SlideThe tall cypress trees stood like sentinels around the ancient villa.