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dangerous

[deyn-jer-uhs, deynj-ruhs]

adjective

full of danger or risk; causing danger; perilous; risky; hazardous; unsafe.

able or likely to cause physical injury: a dangerous criminal.

Origin:
1175–1225; Middle English da(u)ngerous domineering, fraught with danger < Old French dangereus threatening, difficult, equivalent to dangier (see danger) + -eus -ous

Related forms

dan·ger·ous·ly, adverb

dan·ger·ous·ness, noun

non·dan·ger·ous, adjective

non·dan·ger·ous·ly, adverb

non·dan·ger·ous·ness, noun

EXPAND

qua·si-dan·ger·ous, adjective

qua·si-dan·ger·ous·ly, adverb

sem·i·dan·ger·ous, adjective

sem·i·dan·ger·ous·ly, adverb

sem·i·dan·ger·ous·ness, noun

un·dan·ger·ous, adjective

un·dan·ger·ous·ly, adverb

COLLAPSE

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source

Link To dangerous

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Dangerous is always a great word to know.

So is gobo. Does it mean:

a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.

a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.

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Example Sentences

Something needs to be done about this dangerous intersection, he said, examining the damage.

Blood clots travel, which is why they are dangerous.

Marijuana never should have been included on the list of dangerous drugs.

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Something needs to be done about this dangerous intersection, he said, examining the damage.

Blood clots travel, which is why they are dangerous.

Marijuana never should have been included on the list of dangerous drugs.

The seas dropping water level is leading to dangerous consequences.

The tobacco industry has known for decades how to remove a dangerous isotope from cigarettes but has done nothing about it.

She cheerfully obliges, telling the visitors that the craters are old features-probably not dangerous right now.

Hirsch's site is dangerous because it makes you want to shop.

And it's making the world a vastly more dangerous place in the process.

He would have been more dangerous with a sling and stone.

Wellstein said he was only trying to meet women and was not dangerous.

The blobs may smother marine life and carry diseases dangerous to humans.

Thousands of kids are still exposed to dangerous liquid mercury in schools and homes.

There is absolutely nowhere to bike and if so, would be dangerous getting there.

Other dangerous locations include hollows and low, enclosed areas that catch cold air as it sinks, then hold it motionless.

Baking bread might be a relaxing weekend activity, but making the flour that goes into that bread is a dangerous business.

It turns out my problem was a simple, but dangerous food intolerance causing widespread inflammation in my muscles and nerves.

Loeb loved to play a dangerous game, and he sought always to raise the stakes.

Make sure you have room for it--cutting it back is dangerous because of its caustic sap.

Whereas the lakes are rare and beautiful, they can also be dangerous.

Demonized as dangerous predators, they were routinely shot.

The cold proved even more dangerous than heat for the mango trees.

However well intended some of the people involved may be or pretend to be, it is still a potentially dangerous scam.

Chimneys need care and attention and can be dangerous if they don't get it.

Standing in the waves throwing the net is dangerous but exhilarating.

Dangerous bacteria are developing resistance to existing antibiotics faster than humans can invent or discover new drugs.

These bugs provide control of plant-damaging insects, minimizing the need of more dangerous traditional insecticides.

Then the police said it was too dangerous to walk around the neighborhood alone toting expensive camera gear.

But that hasn't made us immune to the dangerous and costly effects of weather.

Even more dangerous than a really sharp knife is a really dull one.

And there is a sad history of chimps being abandoned or killed when they get too old and too dangerous to be cute.

Opponents say proposed federal facility to study dangerous pathogens is a health.

Its aftermath will be more dangerous than many expect.

India is home to many dangerous snake species and more than one billion people.

Might be liability issues, since a fast sled can be dangerous for little kids.

However, a nonconfrontational statement is often perceived as weak by the student, and it can actually be more dangerous.

But those toiling in dirty and dangerous jobs may still be in demand, even as prices and incomes fall.

Solitary, aggressive, and dangerous to know-that's how many people view rattlesnakes.

Some of the early gold rushers, ill-prepared for their dangerous odyssey, died of starvation.

If something is dangerous, treat it as dangerous and treat anyone who tries to bring it on as potentially dangerous.

In the hands of trained fundraisers, lists of non-givers are not dangerous.

But as genetic sequencing becomes cheap and routine, it ought to be possible to pick dangerous mutations up quickly.

Primates can be dangerous and do harm, especially the human ones.

They are convinced that the world is warming in a dangerous way and something needs to be done.

Weird, dangerous jewelry that is functional, but if you used it you would probably cause yourself some irreparable damage.

The book was dangerous because children and parents would think it was okay to give kids aspirin.

But these have dangerous machines, which put them in conflict with federal law.

In particular, they're hoping for sensors that can spot dangerous substances through dense storage materials.

High-tech harvesting and wasteful management have brought world fish stocks to dangerous lows.

Chocolate can affect canines in different ways--from the mildly upsetting to the downright dangerous.

It's about baboons, stress vaccines and the often dangerous effects of glucocorticoids.

In our quest for energy to heat homes and run machinery, humans are pumping a stew of dangerous chemicals into the air and water.

Twisting plasma flows beneath the sun's surface provide a way to predict potentially dangerous solar outbursts.

Meerkats take on a dangerous puff adder that encroaches on their territory.

It was dangerous for people to live near, and sometimes fatal to navigate.

Driving was dangerous in the slick, halfinch- deep volcanic dust.

But the technology needed to do so would entail a dangerous expansion of.

So executive authority around the globe has so expanded and become so much more dangerous.

The virus is made more dangerous by the social stigmas that surround infection.

It is a tough craft, in a tough, often dangerous setting.

The hunt for more oil is politically dangerous and expensive, and can be environmentally ruinous.

Well, the main point is that driving in general is dangerous.

COLLAPSE

Collins

World English Dictionary

dangerous (ˈdeɪndʒərəs)

—*adj*
	causing danger; perilous

'dangerously

—*adv*

'dangerousness

—n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source

Etymonline

Word Origin & History

dangerous

early 13c., "difficult, arrogant, severe" (the opposite of affable), from Anglo-Fr. dangerous, O.Fr. dangeros (Mod.Fr. dangereux), from danger (see danger). In Chaucer, it means "hard to please, reluctant to give;" sense of "full of danger, risky" is from late 15c. Other

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words used in this sense included dangersome (1560s), dangerful (1540s). Related: Dangerously (c.1540).

COLLAPSE

American Heritage

Idioms & Phrases

dangerous

see little knowledge is a dangerous thing; live dangerously.

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Idioms & Phrases

little knowledge is a dangerous thing

live dangerously

Matching Quote

"The most dangerous physicians are those born actors who imitate born physicians with a perfectly deceptive guile."

-Friedrich Nietzsche

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