अर्थ : Condition of heightened watchfulness or preparation for action.
उदाहरणे :
Bombers were put on alert during the crisis.
समानार्थी : qui vive
अर्थ : A warning serves to make you more alert to danger.
समानार्थी : alerting
अर्थ : An automatic signal (usually a sound) warning of danger.
समानार्थी : alarm, alarum, warning signal