warn : Idioms & Phrases


early warning radar

  • noun a radar that is part of an early warning system
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early warning system

  • noun a network of radar installations designed to detect enemy missiles or aircraft while there is still time to intercept them
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strategic warning

  • noun (military) a warning prior to the start of a threatening act
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tactical warning

  • noun (military) a warning after the initiation of a hostile act
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warning bell

  • noun a bell used to sound an alarm
    tocsin.
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warning coloration

  • noun conspicuous coloration or markings of an animal serving to warn off predators
    aposematic coloration.
    • a skunk's aposematic coloration
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warning device

  • noun a device that signals the occurrence of some undesirable event
    alarm system; alarm.
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warning light

  • noun a cautionary sign of danger
    red light.
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warning of attack

  • noun a warning to national policy makers that an enemy intends to launch an attack in the near future
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warning of war

  • noun a warning to national policy makers that an enemy intends war or is preparing for war and is on a course that increases the risk of war
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warning signal

  • noun an automatic signal (usually a sound) warning of danger
    alarm; alarum; alert.
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