1. the act or utterance of one who warns or the existence, appearance, sound, etc., of a thing that warns.
2. something that serves to warn, give notice, or caution: We fired a warning at the intruders.
3. Meteorology. an announcement from the U.S. National Weather Service alerting the public that a storm or other weather-related hazard is imminent and that immediate steps should be taken to protect lives and property.Compare advisory (def 5), storm warning (def 2), watch (def 20)
"messages can be warning."
"investors can be warning."
"analysts can be warning."
"signs can be warning."
"shouts can be warning."
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