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 Al-Hol has become an ever more dangerous and desperate place. Washington Post, 19 Sep. 2021 Leaving was more politically dangerous than staying. Carter Malkasian, Time, 19 Sep. 2021 Leaders at the World Health Organization, meanwhile, have repeatedly warned prioritizing booster shots for wealthy nations over inoculations in countries with low vaccination rates could lead to the emergence of more dangerous variants. Jemima Mcevoy, Forbes, 17 Sep. 2021 Since the Taliban took over Afghanistan, Ehtesab's work has become not only more dangerous but also more challenging. John General, CNN, 17 Sep. 2021 That would also prevent the virus from evolving into an even more dangerous form. BostonGlobe.com, 16 Sep. 2021 In December, as COVID-19 cases surged following an autumn lull, Scott and Dzirasa announced a citywide ban on indoor dining, an activity public health experts widely consider as one of the more dangerous during periods of high transmission. Hallie Miller, baltimoresun.com, 16 Sep. 2021 Reducing overall infections is critical to reduce the likelihood of a more dangerous variant. Dr. Keith Roach, oregonlive, 15 Sep. 2021 The southeasterly winds could down some trees or branches and will make driving more dangerous. Tess Williams, Anchorage Daily News, 12 Sep. 2021

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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Dictionary Entries Near dangerous

danger money


dangerous ground/territory

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Statistics for dangerous

Last Updated

23 Sep 2021

Cite this Entry

“Dangerous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dangerous. Accessed 26 Sep. 2021.

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More Definitions for dangerous



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.

More from Merriam-Webster on dangerous

Nglish: Translation of dangerous for Spanish Speakers

Britannica English: Translation of dangerous for Arabic Speakers


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