put on an alert

  • 1be put on full alert — be put on full/red alert be on full/red alert if soldiers are on full alert, they know that a situation is dangerous and are prepared to act immediately if necessary. The army was put on red alert as the peace talks began to break down …

    New idioms dictionary

  • 2be put on red alert — be put on full/red alert be on full/red alert if soldiers are on full alert, they know that a situation is dangerous and are prepared to act immediately if necessary. The army was put on red alert as the peace talks began to break down …

    New idioms dictionary

  • 3alert — {{Roman}}I.{{/Roman}} noun ADJECTIVE ▪ heightened, high ▪ The country has put its troops on high alert. ▪ full ▪ amber, orange, red …

    Collocations dictionary

  • 4alert — I adj. alert to (alert to danger) II n. 1) to call an alert 2) to place, put (troops) on alert 3) to call off, cancel an alert 4) (a) full; preliminary; red alert (the troops were on full alert) 5) on (the) alert (to be on the alert) 6) (misc.)… …

    Combinatory dictionary

  • 5alert — 01. The patient was awake and [alert] about 3 hours after undergoing surgery. 02. Someone had better [alert] the police; we ve been robbed. 03. You have to be very [alert] if you are driving at night in heavy rain. 04. Police have warned people… …

    Grammatical examples in English

  • 6alert — a|lert1 [ ə lɜrt ] adjective * 1. ) able to think in a clear and intelligent way: He s remarkably alert for his age. Regular exercise could help you to feel better, look better, and be more alert. 2. ) alert to paying attention to what is… …

    Usage of the words and phrases in modern English

  • 7alert — [adj] attentive, lively active, all ears*, bright, cagey*, careful, circumspect, clever, fast on the draw*, good hands*, heads up*, heedful, hip, intelligent, jazzed*, observant, on guard*, on one’s toes*, on the ball*, on the job*, on the… …

    New thesaurus

  • 8alert — I (agile) adjective alive, animated, expeditious, nimble, quick, spirited, sprightly, spry II (vigilant) adjective active, alive, attentive, guarded, observant, on guard, prepared, wary, watchful III verb …

    Law dictionary

  • 9put on one's guard — index alert, notice (give formal warning) Burton s Legal Thesaurus. William C. Burton. 2006 …

    Law dictionary

  • 10alert — a|lert1 [əˈlə:t US ə:rt] adj [Date: 1500 1600; : French; Origin: alerte, from Italian all erta on the watch ] 1.) giving all your attention to what is happening, being said etc ▪ The animal raised its head, suddenly alert. ▪ Taking notes is one… …

    Dictionary of contemporary English