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
There are multiple causes, some less serious, like physical deconditioning, and some potentially dangerous, such as underlying heart or lung conditions.
—
Laura Campedelli, Verywell Health, 5 June 2025
When Suzuki is locked in, few hitters are more dangerous.
—Meghan Montemurro, Chicago Tribune, 5 June 2025
An emergency room doctor explains why opioids are so dangerous.
2️⃣ ‘Absolute sh*tshow’: NASA scientists are in limbo after the Trump administration proposed eliminating the Goddard Institute for Space Studies.
—Daniel Wine, CNN Money, 5 June 2025
That’s despite the fact that pyroclastic flows—ground-level, fast-moving clouds of extremely hot gas and volcanic fragments—are one of the most dangerous results of volcanic eruptions.
—Margherita Bassi, Smithsonian Magazine, 4 June 2025
See All Example Sentences for dangerous
Laura Campedelli, Verywell Health, 5 June 2025
When Suzuki is locked in, few hitters are more dangerous.
—Meghan Montemurro, Chicago Tribune, 5 June 2025
An emergency room doctor explains why opioids are so dangerous.
2️⃣ ‘Absolute sh*tshow’: NASA scientists are in limbo after the Trump administration proposed eliminating the Goddard Institute for Space Studies.
—Daniel Wine, CNN Money, 5 June 2025
That’s despite the fact that pyroclastic flows—ground-level, fast-moving clouds of extremely hot gas and volcanic fragments—are one of the most dangerous results of volcanic eruptions.
—Margherita Bassi, Smithsonian Magazine, 4 June 2025
See All Example Sentences for dangerous
Recent Examples of Synonyms for dangerous
Adjective
-
What To Know There are currently no major wildfires reported in the areas, but officials warned that hazardous conditions could rapidly change this status.—
Hannah Parry,
MSNBC Newsweek,
11 June 2025
-
The attempts to reach the group were not successful because of the hazardous conditions, so a boat was deployed to rescue the group, troopers said.—
Paloma Chavez,
Miami Herald,
10 June 2025
Adjective
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Lights without these certifications may generate harmful byproducts, Taylor notes.—
Matt Fuchs,
Time,
12 June 2025
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McFarland is facing charges of solicitation of a minor, transmission of harmful material to a minor and violation of probation.—
Devoun Cetoute,
Miami Herald,
12 June 2025
Adjective
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In a way, staying close to the game is the safest route, even if the story itself is more risky.—
James Hibberd,
HollywoodReporter,
13 June 2025
-
Iranian Supreme Leader Ali Khamenei and military officials must know that attacking U.S. targets would be very risky and would lead to a significant response that would likely be even more damaging than Israel’s latest attacks – including putting a potential deal over its nuclear program at risk.—
Javed Ali,
The Conversation,
13 June 2025
Adjective
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Of course, not getting The Notebook was far from detrimental, as Witherspoon became a leading romantic comedy actress and starred in Legally Blonde, Sweet Home Alabama, Vanity Fair, Walk the Line and Just Like Heaven — all from 2001 to 2005.—
Caroline Blair,
People.com,
1 June 2025
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This change is especially detrimental to the daughter’s character, forcing Łubik to spend most of her performance hysterically responding to her mother’s actions.—
Murtada Elfadl,
Variety,
27 May 2025
Adjective
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Actually using tariffs to finance a big chunk of the federal government would be a painful and perilous undertaking, budget wonks say.—
Arkansas Online,
Arkansas Online,
8 June 2025
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Yet the prevailing winds are those of geopolitical rivalry and division, turning our greatest global commons into an increasingly contested and perilous domain.—
Sturla Henriksen,
Time,
5 June 2025
Adjective
-
More than 50 million people from Mississippi to western New York are under a slight risk Monday of receiving damaging wind, large-sized hail, flash flooding and a few tornadoes.—
Kenton Gewecke,
ABC News,
9 June 2025
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Similarly, the recent court decisions do not change our view that the most economically damaging tariff possibilities have become less likely.—
Jeffrey Schulze,
Forbes.com,
9 June 2025
Adjective
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Nobody else can do what Isak does, but Newcastle lack serious backup at centre-forward.—
Chris Waugh,
New York Times,
6 June 2025
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There were no serious injuries reported or arrests made among the crowd of about 500 teenagers.—
David Matthews,
New York Daily News,
6 June 2025
Adjective
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The consequences are both deeply personal and widely systemic: Women are more likely to be misdiagnosed, experience adverse drug reactions, and face delays in care.—
Geri Stengel,
Forbes.com,
6 June 2025
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Mifepristone is currently part of that program, though a wealth of research has shown that less than 0.5% of women who take it have serious adverse reactions.—
Aria Bendix,
NBC news,
5 June 2025
Cite this Entry
“Dangerous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dangerous. Accessed 17 Jun. 2025.
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