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.’
    • ‘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.’
    • ‘She urged people using needles to dispose of them properly and warned other parents to beware of the risks.’
    • ‘Parents planning to buy motorised scooters for their children this Christmas are being urged to beware.’
    • ‘Just beware of using too much flour, it can make it a little too dry and crumbly.’
    • ‘It would be wise to be wary of predictions and to beware of generalisations.’
    • ‘But viewer beware, a dry sense of humour is needed to enjoy this movie to its fullest.’
    • ‘We must beware of the danger of confusing what is passionately and deeply wanted with what is a right.’
    • ‘Always beware of giving your personal details to anyone online, if you are not sure who they are or represent.’
    • ‘A mother is urging parents to beware of thieves selling stolen bikes in the run up to Christmas.’
    • ‘But beware of those who claim that we must destroy the system in order to save it.’
    • ‘Elderly people are being warned to beware of bogus callers following an attempted burglary.’
    • ‘The commission urged consumers to beware of Web sites promising high income for zero risk.’
    • ‘Police are warning people to beware of unscrupulous high-pressure salesmen at their doors.’
    • ‘As you start a new venture beware of losing sight of your own goals and priorities.’
    • ‘If an email asks you to send any private information or do things to your PC, then beware.’
    • ‘Just a word of advice; if you think that such a person is your friend - beware.’
    • ‘However, beware of making compromises with your own values and priorities or you miss life.’
    • ‘Look at what has been achieved for your good in this beautiful market town, but beware of false promises.’
    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/