Английский разговорный словарь (основной) - alert

əˈlə:t adj., n., & v. --adj. 1 watchful or vigilant; ready to take action. 2 nimble (esp. of mental faculties); attentive. --n. 1 a warning call or alarm. 2 a warning of an air raid. b the duration of this. --v.tr. (often foll. by to) make alert; warn (were alerted to the danger). øon the alert on the lookout against danger or attack. øøalertly adv. alertness n. [F alerte f. It. all' erta to the watch-tower]