Definition of beware in English:

beware

verb

  • no object, in imperative or infinitive Be cautious and alert to risks or dangers.

    ‘shoppers were warned to beware of cut-price fakes’
    ‘Beware! Dangerous submerged rocks ahead’
    with object ‘we should beware the incompetence of legislators’
    • ‘But they have to beware of spilling secrets in front of their old comrades.’
    • ‘Look at what has been achieved for your good in this beautiful market town, but beware of false promises.’
    • ‘Police are warning people to beware of unscrupulous high-pressure salesmen at their doors.’
    • ‘Drivers in the city who have not paid their parking fines had better beware.’
    • ‘Anyway I caution you all to beware of using makeup of any kind that has glitter in it.’
    • ‘Just a word of advice; if you think that such a person is your friend - beware.’
    • ‘She urged people using needles to dispose of them properly and warned other parents to beware of the risks.’
    • ‘It would be wise to be wary of predictions and to beware of generalisations.’
    • ‘Parents planning to buy motorised scooters for their children this Christmas are being urged to beware.’
    • ‘However, beware of making compromises with your own values and priorities or you miss life.’
    • ‘But beware of those who claim that we must destroy the system in order to save it.’
    • ‘But viewer beware, a dry sense of humour is needed to enjoy this movie to its fullest.’
    • ‘A mother is urging parents to beware of thieves selling stolen bikes in the run up to Christmas.’
    • ‘Always beware of giving your personal details to anyone online, if you are not sure who they are or represent.’
    • ‘If an email asks you to send any private information or do things to your PC, then beware.’
    • ‘Elderly people are being warned to beware of bogus callers following an attempted burglary.’
    • ‘Just beware of using too much flour, it can make it a little too dry and crumbly.’
    • ‘As you start a new venture beware of losing sight of your own goals and priorities.’
    • ‘We must beware of the danger of confusing what is passionately and deeply wanted with what is a right.’
    • ‘The commission urged consumers to beware of Web sites promising high income for zero risk.’
    be on your guard, watch out, look out, mind out, be wary, be careful, be cautious, be on the lookout, be on the alert, keep your eyes open, keep a sharp lookout, be on the qui vive
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Origin

Middle English: from the phrase be ware (see be-, ware).

Pronunciation

beware

/bɪˈwɛː/