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

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 See More
Recent Examples on the Web Such heat is dangerous and abnormal for even the hottest regions in the country. Kyla Guilfoil, ABC News, 15 June 2022 Please be aware that there is an ongoing and dangerous tendency these days to anthropomorphize AI. Lance Eliot, Forbes, 15 June 2022 Denunciation of an oppressive regime is a virtue but not an intrinsically artistic one; Rasoulof creates a form—nearly an anti-style—of stark confrontation that gives an aesthetic identity to his righteous and dangerous candor. Richard Brody, The New Yorker, 14 June 2022 But sometimes the heat can be extreme and dangerous for some people. Doyle Rice, USA TODAY, 14 June 2022 Temperatures in metro Detroit this week are expected to soar, reaching close to 100 degrees Wednesday, with humidity making for dangerous and sometimes life-threatening conditions. Layla Mcmurtrie, Detroit Free Press, 14 June 2022 Mental health issues have also become an increasing problem as fires have grown more dangerous and damaging. Alex Wigglesworth, Los Angeles Times, 14 June 2022 Davidson, who was considered armed and dangerous, was later located, according to the sheriff's office. Fox News, 13 June 2022 Edson Fachin, a Supreme Court judge and Brazil’s top election official, said in an interview that claims of an unsafe election were unfounded and dangerous. New York Times, 12 June 2022 See More

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.

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

19 Jun 2022

Cite this Entry

“Dangerous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dangerous. Accessed 30 Jun. 2022.

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More Definitions for dangerous


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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