beware - definition and synonyms

 
verb [intransitive/transitive] [usually in imperative] 

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/bɪˈweə(r)/
  1. used to warn someone of danger or difficulty

    Beware, buying a house is full of problems.

    beware of:

    Beware of the dog!

    beware of doing something:

    You should beware of using too many colours together.