/ ˈdeɪndʒərəs; NAmE / adjective
dangerous (for sb) (to do sth) likely to injure or harm sb, or to damage or destroy sth :
a dangerous road / illness / sport
The traffic here is very dangerous for children.
dangerous levels of carbon monoxide
The prisoners who escaped are violent and dangerous.
( BrE )
a conviction for dangerous driving
The situation is highly dangerous .
It would be dangerous for you to stay here.
► dan·ger·ous·ly 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) .
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IDIOMS
- dangerous ground
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WORD ORIGIN
Middle English (in the senses arrogant , fastidious , and difficult to please ): from Old French dangereus , from dangier , based on Latin dominus lord.