the act or utterance of one who warns or the existence, appearance, sound, etc., of a thing that warns.
something that serves to warn, give notice, or caution:We fired a warning at the intruders.
Meteorologyan 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. Cf. advisory (def. 5), storm warning (def. 2), watch (def. 23).
serving to warn, advise, caution:a warning bell.
bef. 900; Middle English (noun, nominal); Old English war(e)nung precaution; see warn, -ing1, -ing2
to give advance notice to, esp. of danger or possible harm: [~ + object (+ of/about + object) ]The authorities warned the residents of the storm that was approaching the area.[~ + object + (that) clause]I warned you (that) she would be crazy, didn't I?[~ + of + object ]to warn of further disasters.
to advise (someone to do something); admonish:[~ + object + to + verb]I warn you not to take such chances.
to direct to go or stay away:[~ + object]The farmer warned the hunters off his property.
to give notice, advice, or intimation to (a person, group, etc.) of danger, impending evil, possible harm, or anything else unfavorable:They warned him of a plot against him. She was warned that her life was in danger.
to urge or advise to be careful; caution:to warn a careless driver.
to admonish or exhort, as to action or conduct:She warned her employees to be on time.
to notify, advise, or inform:to warn a person of an intended visit.
to give notice to (a person, group, etc.) to go, keep at a distance, etc. (often fol. by away, off, etc.):A sign warns trespassers off the grounds. A marker warned boats away from the dock.
to give authoritative or formal notice to (someone); order; summon:to warn a person to appear in court.
to give a warning; caution:to warn of further disasters.
bef. 1000; Middle English warnen, Old English warnian; cognate with German warnen. Cf. ware2
1.See corresponding entry in Unabridged forewarn. Warn,caution,admonish imply attempting to prevent another from running into danger or getting into unpleasant or undesirable circumstances. To warn is to speak plainly and usually in strong terms:to warn him about danger and possible penalties.To caution is to advise about necessary precautions, to put one on one's guard about possibly harmful circumstances or conditions, thus emphasizing avoidance of undesirable consequences:to caution him against driving in such weather.Admonish suggests giving earnest, authoritative advice with only tacit references to danger or penalty:to admonish a person for neglecting his duties.