lookout

Universal Words noun 1 a place for watching from, especially for danger or an enemy coming towards you: a lookout point / tower 2 a person who has the responsibility of watching for sth, especially danger, etc: One of the men stood at the door to act as a lookout. IDIOMS be your (own) lookout (BrE, informal) used to say that you do not think sb's actions are sensible, but that it is their own problem or responsibility: If he wants to waste his money, that's his lookout. be on the lookout (for sb/sth)