American English

Definition of dangerous adjective from the Oxford Advanced American Dictionary

  

dangerous

 adjective
adjective
NAmE//ˈdeɪndʒərəs//
 
 
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  •  likely to injure or harm someone, or to damage or destroy something a dangerous road/illness/sport dangerous levels of carbon monoxide The prisoners who escaped are violent and dangerous. The situation is highly dangerous. dangerous for somebody The traffic here is very dangerous for children. dangerous for somebody to do something It would be dangerous for you to stay here.
  • Idioms
    dangerous ground
     
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    a situation or subject that is likely to make someone angry, or that involves risk We'd be on dangerous ground if we asked about race or religion.
    dangerously
     
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    adverb She was standing dangerously close to the fire. His father is dangerously ill (= so ill that he might die). Mel enjoys living dangerously (= doing things that involve risk or danger).
    See the Oxford Advanced Learner's Dictionary entry: dangerous