Definition of “beware” - English Dictionary

american-english dictionary

“beware” in British English

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bewareverb [ only in infinitive and imperative ]

uk /bɪˈweər/ us /bɪˈwer/

C1 [ I or T ] used to warn someone to be very careful about something or someone:

Beware salespeople who promise offers that seem too good to be true.
You should beware of undercooked food when staying in hot countries.
Beware of falling asleep while sunbathing.

[ I ] used on signs to warn people of something dangerous:

Beware of the dog.
Beware - poisonous chemicals.

More examples

  • The sign on the gate said 'Beware of the Dog'.
  • It is icy on that pathway in the mornings, so beware.
  • You should beware of fraudsters offering overpriced treatments over the internet.
  • Beware anyone who offers you a second-hand car at a bargain price.
  • A red reflective triangle warns drivers to beware when there is a hazard ahead.

(Definition of “beware” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“beware” in American English

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bewareverb [ I/T ]

us /bɪˈweər/

to be very careful about something or someone:

[ I ] In grassy areas, beware of ticks.

(Definition of “beware” from the Cambridge Academic Content Dictionary © Cambridge University Press)