beware of

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beware of (someone or something)

Be cautious or mindful of something or someone, especially something or someone that might pose a danger of some kind. Beware of the boss today—he's been yelling at everyone he sees. Beware of their dog, he's vicious!
See also: beware, of

beware of someone or something

to be cautious and watchful about someone or something. Beware of Ted. He's acting irrational. You should beware of the dog.
See also: beware, of
References in periodicals archive ?
Celebrations might get exciting, but beware of leaving your flag on the ground since it may lead you to prison.
BEWARE of parking at the Acre Mill annex to the Huddersfield Infirmary.
Global Banking News-October 17, 2014--Bank of Japan asks commercial banks to beware of global markets
Beware of stifling the watchdog CONGRATULATIONS on Ivor Jay's column headed 'Beware the watchdog.
Beware of Limbo Dancers: A Correspondent's Adventures with the New York Times provides a witty memoir from a native Arkansan who became a reporter for the Times, and covers his newspaper career and evolution.
The IRS is warning senior citizens and other taxpayers to beware of an emerging scheme tempting them to file tax returns claiming fraudulent refunds.
BEWARE AT TOLL BAR If, by chance, you intend driving your car Via that notorious island at Toll Bar, Beware of the drivers around you, For they are quite likely to surround you, Because no one seems to know where they are.
Beware Greeks bearing gifts should now read beware of bankers bearing collateral debt obligations.
ROP called upon all drivers to adhere to traffic rules and systems, beware while using the road, observe the speed limit, not overtake in forbidden areas and beware of road surprises to limit traffic accidents.
PETER MacDONALD last night warned title-chasing Rangers to beware of the pot-holed Perth pitch.
Ljuljzim Xhemaili, deputy director of Customs appeals to citizens to beware of manipulators that want to profit from badly-informed citizens.
At the risk of over-extrapolation, there's probably something in this that applies to all the environment and energy debates: beware of panaceas, beware of magic bullets, beware of bandwagons.
Beware Of The Dog is a cheeky rework of Depeche Mode's Personal Jesus, and is not very Jamelia-like.
In the future, beware of inviting unwanted attention.
Beware of only telling people what they're doing wrong.