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English definition of “warning”

warning

noun [C or U] uk   /ˈwɔː.nɪŋ/ us    /ˈwɔːr-/
B1 something that makes you understand there is a possible danger or problem, especially one in the future: Completely without warning he turned up on my doorstep with all four children! There's a warning on the cigarette packet that says 'Tobacco seriously damages health'. I'm not surprised you feel ill - let it be a warning to you! Just a word of warning - restaurants in this area can be very expensive.formal The government have today issued a warning about the dangers of sunbathing. They can't dismiss you just like that - they have to give you a written warning first. The police fired warning shots but the protesters took no notice.Threats and warnings warning sign a physical condition that shows someone has a disease: The warning signs of the illness are respiratory problems and dizziness.Threats and warnings
(Definition of warning from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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