Meaning of ALERT in English

ALERT

a.

1.

Watchful, vigilant, circumspect, wary, heedful, on the ~, on one's guard, on the watch, on the lookout, on the qui vive .

2.

Active, brisk, nimble, agile, smart, lively, sprightly, spirited, supple, quick, ready, prompt. See spry .

Soule. Dictionary of English synonyms.      Словарь английских синонимов.