beware of (someone or something)

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
Farlex Dictionary of Idioms.

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
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • beware of
  • be/have done with somebody/something
  • be in line with (someone or something)
  • better of
  • (someone or something) promises well
  • begin with
  • begin with (someone or something)
  • bird has flown, the
  • be rough on (someone or something)
  • bear off from (someone or something)