dangerous

adjective
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

Keep scrolling for more

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

Love: the most dangerous four-letter word in the dictionary. Alexis Jones And Deanna Janes, Harper's BAZAAR, "21 Rom-Coms to Stream on Netflix this Valentine's Day," 13 Feb. 2019 But recent research has shown that holding on to excess fat in particular places can be especially dangerous for women. Karyn Repinski, Woman's Day, "New Research Links Belly Fat to an Increased Risk of Heart Attacks in Women," 23 Jan. 2019 This is what is so dangerous for us as United States of America and for our future. Celeste Katz, Glamour, "Tulsi Gabbard Wants to Put a Little ‘Aloha’ in the 2020 Race," 19 Jan. 2019 This heat is especially dangerous for the elderly, many of whom already face heart and lung problems. Umair Irfan, Vox, "What we learned from the disasters that hammered the US in 2018," 27 Dec. 2018 In addition, the fumes are dangerous for others in the area. Alexis Stevens, The Seattle Times, "Georgia tallies meth’s toll: Nearly 20 percent of those killed by police in state test positive for it," 20 Nov. 2018 The ugly populism will be dangerous for these people. Eric Johnson, Recode, "We have to rewrite antitrust law to deal with tech monopolies, says ‘Positive Populism’ author Steve Hilton," 24 Oct. 2018 The Kremlin says the Ukrainian ships were making dangerous maneuvers in Russia’s territorial waters. Thomas Grove, WSJ, "Ukraine Threatens to Escalate Russia Standoff After Ship Detentions," 30 Nov. 2018 Bella has come under fire recently for dangerous maneuvers executed during her matches. Ryan Gaydos, Fox News, "WWE star knocked out during match after flurry of kicks," 25 Sep. 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.

See More

First Known Use of dangerous

15th century, in the meaning defined at sense 1

History and Etymology for dangerous

see danger entry 1

Keep scrolling for more

Learn More about dangerous

Share dangerous

Statistics for dangerous

Last Updated

25 Mar 2019

Look-up Popularity

Time Traveler for dangerous

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

See more words from the same century

Keep scrolling for more

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 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

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.

Keep scrolling for more

Comments on dangerous

What made you want to look up dangerous? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to boil down or concentrate

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!