dan·​ger·​ous | \ ˈdān-jə-rəs How to pronounce dangerous (audio) ; ˈdān-jərs, -zhrəs\

Definition of dangerous

1 : involving possible injury, pain, harm, or loss : characterized by danger a dangerous job
2 : able or likely to inflict injury or harm a dangerous man

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Other Words from dangerous

dangerously adverb
dangerousness noun

Choose the Right Synonym for dangerous

dangerous, hazardous, precarious, perilous, risky mean bringing or involving the chance of loss or injury. dangerous applies to something that may cause harm or loss unless dealt with carefully. soldiers on a dangerous mission hazardous implies great and continuous risk of harm or failure. claims that smoking is hazardous to your health precarious suggests both insecurity and uncertainty. earned a precarious living by gambling perilous strongly implies the immediacy of danger. perilous mountain roads risky often applies to a known and accepted danger. shied away from risky investments

Examples of dangerous in a Sentence

She got into a car accident while driving through a dangerous intersection. He often drives at dangerous speeds. The city can be a dangerous place to live. The storms may cause dangerous flooding. He is wanted for assault with a dangerous weapon. the most dangerous of drugs
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Recent Examples on the Web In 1977 the government decided that putting the site on the grid would be less dangerous than having people steal electricity. C.c. | Hong Kong, The Economist, "Stories from the Kowloon Walled City," 14 Nov. 2019 Two psychiatrists testified for the prosecution that Osborne is dangerous. Washington Post, "Psychiatrists conflict over rehabilitation for teen shooter," 13 Nov. 2019 For now, the feeling around the program is one of relief and refocusing for a stretch run that will include their most dangerous defensive weapon. Nathan Baird, cleveland, "What the Chase Young news means for Ohio State football: Buckeye Take," 13 Nov. 2019 The novel was once mocked as dangerous, lightweight entertainment for women. Laura Lippman, Longreads, "The Art of Losing Friends and Alienating People," 8 Nov. 2019 In a September poll by Marquette University Law School, 80% supported expanded background checks and 81% backed taking guns from people whom judges found to be dangerous. Patrick Marley, Milwaukee Journal Sentinel, "Tony Evers called lawmakers in Thursday to act on guns. GOP leaders rejected it within seconds.," 7 Nov. 2019 At times, a poster's denial can be dangerous, the study found. Sandee Lamotte, CNN, "Some crowdsource their STD diagnosis on the internet. Here's why that's dangerous to everyone," 5 Nov. 2019 Liverpool are at their most dangerous when Trent Alexander-Arnold and Andy Robertson are high up the pitch and influencing the game, and introducing Oxlade-Chamberlain into the team could certainly benefit the full-backs. SI.com, "How Liverpool Can Change Tactically to Allow Alex Oxlade-Chamberlain to Become a Key Player," 3 Nov. 2019 And the herds haven’t even reached the most dangerous part of their circular journey. Klara Glowczewska, Town & Country, "8 Countries, 21 Days, 1 Private Planet: The Ultimate Travel Bucket List Trip," 31 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dangerous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dangerous

15th century, in the meaning defined at sense 1

History and Etymology for dangerous

see danger entry 1

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Time Traveler for dangerous

Time Traveler

The first known use of dangerous was in the 15th century

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Statistics for dangerous

Last Updated

18 Nov 2019

Cite this Entry

“Dangerous.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/dangerous?pronunciation&lang=en_us&dir=d&file=danger02. Accessed 22 November 2019.

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More Definitions for dangerous


How to pronounce dangerous (audio)

English Language Learners Definition of dangerous

: involving possible injury, harm, or death : characterized by danger
: able or likely to cause injury, pain, harm, etc.


dan·​ger·​ous | \ ˈdān-jə-rəs How to pronounce dangerous (audio) , ˈdānj-rəs\

Kids Definition of dangerous

1 : involving possible harm or death : full of danger dangerous work
2 : able or likely to injure A chain saw is a dangerous tool.

Other Words from dangerous

dangerously adverb



Legal Definition of dangerous

1 : creating a risk of bodily injury a dangerous condition of a public building
2 : able or likely to inflict especially serious bodily injury a dangerous criminal with no regard for human life a dangerous animal also : deadly
3 : likely to engage in repeated criminal activity a dangerous offender

Note: The activity that an offender is likely to engage in need not involve violence in order for the offender to be deemed dangerous.

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Comments on dangerous

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