Pocket Thesaurus
Synonyms of alert
watchful, wise, wary, observant, active, bright, perceptive, wired, vigilant, sharp, careful, intelligent, ready, hip, quick, spirited, cagey, circumspect, clever, heedful, on guard, on the ball, wide-awake, with it, jazzed, all ears, fast on the draw, good hands, heads up, on the job, on the lookout, on the qui vive, psyched up, switched on, on one's toes
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