dangerous

adjective
dan·​ger·​ous | \ˈdān-jə-rəs; 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

That equates to about one in five children in the entire country, according to Willemot, and about 12% of the global cases of this most dangerous type of undernutrition. Nick Turse, Teen Vogue, "The Democratic Republic of Congo Has Humanitarian Crises Leaving Millions of Children In Danger," 14 Nov. 2018 Yet operation of those older systems was highlighted in training over the years, and pilots had to memorize steps to counteract potentially dangerous unintended consequences. Andrew Tangel, WSJ, "Boeing Withheld Information on 737 Model, According to Safety Experts and Others," 12 Nov. 2018 Now, Amazon employees are grilling the company’s leadership over the selling of such technology, especially when it could be used to track human beings and send them back into potentially dangerous environments overseas. Nick Statt, The Verge, "Amazon told employees it would continue to sell its controversial facial recognition software to law enforcement," 9 Nov. 2018 Google’s business model is based on trust, and hiding a potentially dangerous breach for six months is not the way to keep it. Michael Simon, PCWorld, "Google is shutting down Google+ after it exposed user data and neglected to tell anyone," 8 Oct. 2018 Hippos—massive semi-aquatic, vegetarian mammals found across sub-Saharan Africa—are actually among the most dangerous animals on earth, killing on average 500 people each year, twice that of lions, according to the BBC. Erin Florio, Condé Nast Traveler, "Tourist Killed by Hippo Near Kenya's Lake Naivasha," 13 Aug. 2018 And Broward County is the second-most dangerous county in the state for bicyclists, according to a 2017 analysis of five years of accident data by the Florida Department of Transportation. David Schutz, Sun-Sentinel.com, "Which Broward County roads are safe for bicyclists? Search our map," 13 July 2018 Much of the debate over firefighting’s aggressive culture centers on the one task that firefighters spend the least time doing, but that is unquestionably the most dangerous part of their jobs: battling structure fires. Mike Hendricks, kansascity, "Fire departments fight a culture that saves — and costs — lives," 13 July 2018 Tight end Jordan Reed, the team’s most dangerous pass-catcher, is the league’s greatest injury risk. Michael Beller, SI.com, "Fantasy Football Players Who are More Valuable in PPR Leagues," 12 July 2018

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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Statistics for dangerous

Last Updated

18 Nov 2018

Look-up Popularity

Time Traveler for dangerous

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

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More Definitions for dangerous

dangerous

adjective

English Language Learners Definition of dangerous

: involving possible injury, harm, or death : characterized by danger

: able or likely to cause injury, pain, harm, etc.

dangerous

adjective
dan·​ger·​ous | \ˈdān-jə-rəs, 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

dangerous

adjective
dan·​ger·​ous

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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