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
Examples are automatically compiled from online sources to
show current usage.
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Recent Examples of dangerous
Starting a left-hander is about getting off to a good start against the dangerous lefties in the Dodgers lineup, beginning with Shohei Ohtani.
—
Jeff Sanders, San Diego Union-Tribune, 15 Aug. 2025
If there is time, secure loose objects outside as these objects often become dangerous flying debris in high winds.
—Eva Wen, jsonline.com, 15 Aug. 2025
In the 19th century, gunshot wounds from up close were extremely dangerous.
—Brent Lang, Variety, 4 Aug. 2025
But having too few senescent cells is dangerous, because senescence helps block tumors.
—Tad Friend, New Yorker, 4 Aug. 2025
See All Example Sentences for dangerous
Jeff Sanders, San Diego Union-Tribune, 15 Aug. 2025
If there is time, secure loose objects outside as these objects often become dangerous flying debris in high winds.
—Eva Wen, jsonline.com, 15 Aug. 2025
In the 19th century, gunshot wounds from up close were extremely dangerous.
—Brent Lang, Variety, 4 Aug. 2025
But having too few senescent cells is dangerous, because senescence helps block tumors.
—Tad Friend, New Yorker, 4 Aug. 2025
See All Example Sentences for dangerous
Recent Examples of Synonyms for dangerous
Adjective
-
The collapse of the bridge also caused hazardous debris to enter the Colorado River waterway.—
Wren Smetana,
AZCentral.com,
9 Aug. 2025
-
The pace of the 2025 fires is reminiscent of the record-breaking 2023 wildfire season, which exposed millions of people in North America to hazardous smoke levels.—
Jun Wang,
Space.com,
9 Aug. 2025
Adjective
-
All of which are made from lightweight, dishwasher-safe plastic that’s free of harmful chemicals.—
Anja Webb,
Parents,
8 Aug. 2025
-
The Environmental Protection Agency’s endangerment finding for greenhouse gases, from 2009, says quite simply that these emissions endanger the public and qualify as harmful pollution; they can therefore be regulated under the Clean Air Act.—
Zoë Schlanger,
The Atlantic,
8 Aug. 2025
Adjective
-
Choose the concepts that challenge your thinking or open entirely new avenues — the ones that feel risky in an interesting way.—
Dev Patnaik,
Forbes.com,
12 Aug. 2025
-
But the crypto industry is made up largely of riskier products than stablecoins — and firms fear a future president could unravel much of what Trump has done to boost them.—
Eleanor Mueller,
semafor.com,
12 Aug. 2025
Adjective
-
Air pollution of all forms can be detrimental to health, but the tiny particles in smoke are particularly pernicious.—
Bloomberg,
Mercury News,
13 Aug. 2025
-
Losing Love for any stretch of time would be detrimental to the Packers' season.—
James Brizuela,
MSNBC Newsweek,
12 Aug. 2025
Adjective
-
Murphy only wants to escape and regain custody of his daughter, Penny, but becomes entangled in Clancy’s perilous gold smuggling scheme, facing threats from both the treacherous wilderness and potential betrayal within his own group.—
Leo Barraclough,
Variety,
6 Aug. 2025
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The lack of comprehensive protections and support systems for athletes echoes the Wild West’s perilous landscape, where pioneers often had to fend for themselves amid uncertainty and danger.—
Jim Martin,
Denver Post,
3 Aug. 2025
Adjective
-
In a surprising aside given the damaging, lurid testimony in the trial about Combs’ private life, Agnifilo said one of Diddy’s future goals is to perform at one of New York’s most iconic venues again.—
Gil Kaufman,
Billboard,
7 Aug. 2025
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Even though plants need sun to grow, too much scorching sunshine can be damaging.—
Claire Hoppe Norgaard,
Better Homes & Gardens,
4 Aug. 2025
Adjective
-
Some serious symptoms of a West Nile virus infection include fever, severe headaches, stiff neck, disorientation or confusion.—
Nollyanne Delacruz,
Mercury News,
17 Aug. 2025
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Away from football, this has more serious ramifications.—
Michael Cox,
New York Times,
16 Aug. 2025
Adjective
-
Many models struggle to operate in adverse weather conditions, and drones have weight limits for parcels.—
Meghan Hall,
Sourcing Journal,
14 Aug. 2025
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The maintenance of a favorable risk-reward ratio over a shorter timeframe of 5 years is promising for retirement accounts – mitigating the risk of liquidation (if necessary) during adverse drawdown scenarios.—
Trefis Team,
Forbes.com,
14 Aug. 2025
Cite this Entry
“Dangerous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dangerous. Accessed 22 Aug. 2025.
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