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Syllabification: dan·ger·ous
Pronunciation: /ˈdānj(ə)rəs

Definition of dangerous in English:


1Able or likely to cause harm or injury: a dangerous animal ice was making the roads dangerous
More example sentences
  • It was very dark and the terrain was dangerous so it was decided that it was too dangerous to carry on with the search.
  • The things he says are dangerous to certain members of our community.
  • It is very dangerous to look directly into the sun.
menacing, threatening, treacherous;
savage, wild, vicious, murderous, desperate
1.1 it is dangerous to underestimate an enemy
More example sentences
  • This bill is an unfortunate and dangerous repetition of that kind of approach.
  • In the long run it may make them more electable and more dangerous to Labour.
  • That is a very high risk decision to make, and it is a dangerous decision and not an easy decision.
1.2Likely to cause problems or to have adverse consequences: our most dangerous opponents in the playoffs it is dangerous to underestimate an enemy
More example sentences
  • It is at least as important to challenge the dangerous assumptions of their opponents.
  • Vouchers are stigmatised by their opponents as a dangerous idea of the radical right.
  • Both warn of the dangerous consequences of voting in favour of their opponents.


Middle English (in the senses 'arrogant', 'fastidious', and 'difficult to please'): from Old French dangereus, from dangier (see danger).



Example sentences
  • York City have decided that if they are to dangle dangerously from the trapeze it is better to do it with a safety net in place.
  • It suddenly occurred to me I had paid to put my life in the hands of a man who used to earn a living driving very, very dangerously.
  • The rope was still swaying dangerously as she desperately struggled to regain control of it.


Example sentences
  • After the expiry of the tariff, continued detention depends on elements of dangerousness and risk associated with the objectives of the original sentence [for] murder.
  • When the presumption is not displaced, there is no need for the trial judge to address the issue of whether the vehicle is operable or immovable and/or the issue of dangerousness.
  • But there's no requirement that the law pull the wool over the public's eyes and hide the person's potential dangerousness.

Definition of dangerous in:

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