1
as in hazardous
involving potential loss or injury
the soldiers were specially selected to go on a dangerous mission behind enemy lines
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in harmful
causing or capable of causing harm
the common knowledge that smoking is dangerous to one's health hasn't stopped some people
Synonyms & Similar Words
Antonyms & Near Antonyms
Try This Instead
Try This InsteadFor
Try This
a dangerous situation
dangerous precedent
a dangerous enemy
Example Sentences
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Recent Examples of dangerous
The 400-mile race is scheduled to start on Sunday after it was delayed by more than a month due to warm temperatures and a dangerous trail.
—
Julia Jacobo, ABC News, 1 Mar. 2025
It is rightfully considered one of the single most dangerous gigs on the planet (next to firefighters, cobra tamers, and being a taste-tester at an Arby’s).
—David Fear, Rolling Stone, 28 Feb. 2025
One of the president’s demands is for Mexico to crack down on dangerous cartels and fentanyl production and distribution.
—Greg Wehner, Fox News, 28 Feb. 2025
Schools districts throughout Kentucky closed on Monday, citing flooded streets, dangerous travel conditions and power outages that impacted some 15,000 homes and businesses.
—Christopher Cann, USA TODAY, 18 Feb. 2025
See All Example Sentences for dangerous
Julia Jacobo, ABC News, 1 Mar. 2025
It is rightfully considered one of the single most dangerous gigs on the planet (next to firefighters, cobra tamers, and being a taste-tester at an Arby’s).
—David Fear, Rolling Stone, 28 Feb. 2025
One of the president’s demands is for Mexico to crack down on dangerous cartels and fentanyl production and distribution.
—Greg Wehner, Fox News, 28 Feb. 2025
Schools districts throughout Kentucky closed on Monday, citing flooded streets, dangerous travel conditions and power outages that impacted some 15,000 homes and businesses.
—Christopher Cann, USA TODAY, 18 Feb. 2025
See All Example Sentences for dangerous
Recent Examples of Synonyms for dangerous
Adjective
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Periods of intense snowfall are possible in parts of central and southern WY, leading to possibly hazardous travel at times.—
Tommy Tuberville,
Newsweek,
7 Mar. 2025
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The hazardous conditions could impact the Monday morning commute.—
Southern California Weather Report,
Orange County Register,
7 Mar. 2025
Adjective
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Scientists have found bits of plastic in the ocean that are coated in communities of microorganisms, including harmful bacteria.5 Jayakrishnan said the microplastics in the body may play a similar role, offering a medium for cancer-causing bacteria to grow and disrupt the gut microbiome.—
Claire Bugos,
Verywell Health,
7 Mar. 2025
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Cold water can increase blood flow to your face, boosting your skin's protection from free radicals, harmful compounds caused by exposure to UV light and pollution.—
Sherri Gordon,
Health,
6 Mar. 2025
Adjective
-
Traditionally, however, penny stocks are pretty risky.—
Kelly Phillips Erb,
Forbes,
8 Mar. 2025
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Forgoing a balanced diet or drastically cutting calories is risky.—
Helen Carefoot,
Verywell Health,
7 Mar. 2025
Adjective
-
Studies have also shown that exercising during times of poor air quality—for instance, when there is a high level of these fine particulates in the air—is detrimental to our health.—
Claire Maldarelli,
Scientific American,
28 Feb. 2025
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And all deal with American iconography: more specifically, the nation’s foundational reliance on mythology and self-dramatization and the largely detrimental impact of all of that on, well, just making love and having children and trying to keep the wolf from the door.—
Chris Jones,
Chicago Tribune,
27 Feb. 2025
Adjective
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Top congressional Democrats on military, intelligence and foreign policy matters on Tuesday accused President Trump and Elon Musk of gravely undermining national security by aligning with President Vladimir V. Putin of Russia and dismantling the federal security work force at a perilous time.—
Carl Hulse,
New York Times,
5 Mar. 2025
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Our ancestors crossed a vast ocean, strode into the unknown wilderness, and carve their fortunes from the rock and soil of a perilous and very dangerous frontier.—
TIME Staff,
TIME,
5 Mar. 2025
Adjective
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The cyclone was already bringing heavy rainfall to coastal areas on Saturday, along with damaging winds and storm surges.—
Hilary Whiteman,
CNN,
7 Mar. 2025
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Choosing the wrong treatment can be damaging, or even fatal.—
IEEE Spectrum,
IEEE Spectrum,
5 Mar. 2025
Adjective
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The Aggies are in a serious rough patch, however, having lost their last three games in a row.—
Dan Perry,
Newsweek,
2 Mar. 2025
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In San Diego, many serious rosarians fertilize with a plethora of fertilizers every two weeks commencing in mid-February through to mid-October.—
Rita Perwich,
San Diego Union-Tribune,
1 Mar. 2025
Adjective
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Environmental groups have long opposed the new reservoir and objected to a shorter judicial review, saying the project will release unacceptable amounts of methane, a greenhouse gas, into the air in addition to other adverse impacts.—
Ari Plachta,
Sacramento Bee,
28 Feb. 2025
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The advertisements also are subject to content restrictions, including no profanity, violence, firearms or material adverse to the city’s commercial interests.—
Devan Patel,
The Mercury News,
27 Feb. 2025
Cite this Entry
“Dangerous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dangerous. Accessed 15 Mar. 2025.
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