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
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
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Recent Examples of dangerous
Slow-moving storms fueled by tropical moisture are producing dangerous rainfall rates across Central Texas, with isolated areas at risk of life-threatening flooding.
—
Brandi D. Addison, USA Today, 15 June 2026
Flood watches for the dangerous setup have been issued for nearly 18 million people from central Texas to central Mississippi.
—Chris Dolce, CNN Money, 15 June 2026
The researchers say the technology could be used in self-driving cars, autonomous robots, and monitoring systems that operate in dangerous environments.
—Neetika Walter, Interesting Engineering, 15 June 2026
The incidents have raised questions about who is responsible for regulating companies that handle dangerous materials.
—Martha Bellisle, Chicago Tribune, 28 May 2026
See All Example Sentences for dangerous
Brandi D. Addison, USA Today, 15 June 2026
Flood watches for the dangerous setup have been issued for nearly 18 million people from central Texas to central Mississippi.
—Chris Dolce, CNN Money, 15 June 2026
The researchers say the technology could be used in self-driving cars, autonomous robots, and monitoring systems that operate in dangerous environments.
—Neetika Walter, Interesting Engineering, 15 June 2026
The incidents have raised questions about who is responsible for regulating companies that handle dangerous materials.
—Martha Bellisle, Chicago Tribune, 28 May 2026
See All Example Sentences for dangerous
Recent Examples of Synonyms for dangerous
Adjective
-
Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean.—
CA Weather Bot,
Sacbee.com,
10 June 2026
-
Surf conditions remain hazardous and beachgoers, no matter their ability, should use extreme caution or stay out of the ocean through at least Thursday, June 11, officials said.—
Laylan Connelly,
Oc Register,
10 June 2026
Adjective
-
But others say research in Australia has shown that age verification is difficult to enforce, and that a blanket ban seemed to be a snap decision that does not address a deeper problem — the way social media algorithms push harmful content to young people.—
ABC News,
ABC News,
15 June 2026
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There were also die-offs of seals, sea lions and marine birds, Leising said, probably from a combination of a lack of food and harmful algal blooms, and less food out there for baleen whales.—
Los Angeles Times,
Los Angeles Times,
15 June 2026
Adjective
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Yaroslavsky has been pitching her park proposal as a less risky alternative to one backed by a coalition of park organizations and several of her colleagues.—
David Zahniser,
Los Angeles Times,
17 June 2026
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In one of them he was seen hanging from the edge of a rocky cliff using his bare hands, his legs dangling toward a steep slope in a risky performance without safety equipment.—
CNN Money,
CNN Money,
16 June 2026
Adjective
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While all three negatively impact both individual and organizational outcomes, researchers found that role ambiguity tended to be the most detrimental driver.—
Paula Davis,
Forbes.com,
11 June 2026
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More flaglantry detrimental to learning, plenty more use the tech to generate entire essays and solve math problems — or, in a word, cheat.—
Frank Landymore,
Futurism,
10 June 2026
Adjective
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In odd years, the company produces the story of a group of pastores making a perilous trek to Bethlehem to pay their respects to the Holy Manger while fighting devils and their powerful leader Luzbel.—
David John Chávez,
Mercury News,
25 Nov. 2025
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Catching Astoria to relocate her has proved impossible so far — during her brief tenure uptown, NYPD officers repeatedly failed to nab her, leading her to wander into perilous traffic.—
Scottie Andrew,
CNN Money,
23 Nov. 2025
Adjective
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All that thinking has only strengthened my conviction that learning to love your face without objectification is a powerful way to counteract the damaging and distressing messages from a beauty culture that prizes youthfulness and hypersexuality.—
Valerie Monroe,
Allure,
10 Dec. 2025
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The center has weathered months of damaging press—reports of plummeting ticket sales, skittish donors, and aggrieved artists waiting for payment.—
Katy Waldman,
New Yorker,
10 Dec. 2025
Adjective
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Officials warned that flying debris could pose a serious threat to anyone without shelter, with damage to roofs, windows and vehicles likely, along with significant tree damage.—
Francie Ebert,
NBC news,
11 June 2026
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For serious depression, anxiety, self-harm or suicidal thoughts, a delay in treatment matters a lot.—
Katia Hetter,
CNN Money,
11 June 2026
Adjective
-
Consuming too much of any salt may have adverse health effects.—
Chelsea Rae Bourgeois,
Health,
7 July 2025
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Over time, this could explain why Mondays are consistently linked to higher rates of adverse health events—including a 19 percent increase in heart attacks.—
Melissa Fleur Afshar,
MSNBC Newsweek,
6 July 2025
Cite this Entry
“Dangerous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dangerous. Accessed 18 Jun. 2026.
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