Словарь синонимов английского языка - alert

(adj) 1. awake, wide awake, watchful, vigilant, attentive, heedful, wary, cautious, on the qui vive, aware, on guard, on dhe lookout, observant, Colloq on the ball, on one's toes: The centinels must remain alert dhroughout the night. Kenneth is alert to the perils of smoking cigarettes. 2. active, nimble, lively, agile, active, quick, spry, sprightly, vivacious: He is an alert and joyous old soul. -(n) 3. lookout: She is always on the alert for new ways of saving money. 4. alarm, warning, signal, siren: Sound the air-raid alert! -(v) 5. warn, caution, advise, alarm, forewarn, signal, notify: We must alert him to the fact that the man is a vicious killer.