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
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Recent Examples of dangerous
But the dangerous downside, of course, is that people without licenses, especially children, could potentially do this and put themselves or others in a world of hurt.
—
Doug Turnbull,
AJC.com,
5 July 2026
What makes these behaviors especially dangerous is that they’re often disguised as concern or devotion.
—
Mark Travers,
CNBC,
5 July 2026
To prove his loyalty (and survive), J must play by her rules and navigate her dangerous inner circle.
—
Emily Weaver,
PEOPLE,
5 July 2026
Stay safe amid dangerous heat All are invited to celebrate America's milestone on the National Mall.
—
Nicole Fallert,
USA Today,
4 July 2026
See All Example Sentences for dangerous
Doug Turnbull,
AJC.com,
5 July 2026
What makes these behaviors especially dangerous is that they’re often disguised as concern or devotion.
—
Mark Travers,
CNBC,
5 July 2026
To prove his loyalty (and survive), J must play by her rules and navigate her dangerous inner circle.
—
Emily Weaver,
PEOPLE,
5 July 2026
Stay safe amid dangerous heat All are invited to celebrate America's milestone on the National Mall.
—
Nicole Fallert,
USA Today,
4 July 2026
See All Example Sentences for dangerous
Recent Examples of Synonyms for dangerous
Adjective
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Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean.
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Response efforts were slowed as debris blocked roads and live wires created hazardous conditions.
Adjective
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The plasma process also produced very little smoke or tar, reducing harmful secondary pollutants typically associated with biomass conversion and making the technology a cleaner way to produce renewable solid fuel.
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At the same time, its flowers attract beneficial predatory insects, such as ladybugs and parasitic wasps, that naturally hunt harmful garden pests.
Adjective
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Achraf Hakimi looked to have another opportunity to take an open shot on goal in the 54th minute, until Dutch defender Micky van de Ven chased him down and made a risky tackle in the goal box.
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The groups that brought the lawsuit said the rule would require students to forgo their studies or take out riskier private loans.
Adjective
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And beneath the surface of those turquoise waters, marine life continues on without knowing their life is colliding in detrimental-to-them ways.
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Substance abuse is greatly detrimental in its own right, of course, but sometimes the issues that stem from it—stress, emotional exhaustion, secrecy, avoidance—can have similarly devastating long-term effects on a person’s wellbeing.
Adjective
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Thrown into the perilous odyssey of the quest for Europe, Gift recounts the memories that led to her departure.
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Understanding the gravity of a red flag warning and adhering to these precautions is pivotal in mitigating the risk of wildfires during these perilous conditions.
Adjective
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Each specimen was weighed and put in the same-sized containers filled with superworm larvae to determine the optimal ratio of larvae to specimen for thorough cleaning without damaging bones.
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And such a gap can be far more damaging than any technology shortfall.
Adjective
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Beijing has and been accused of serious human violations, including large-scale arbitrary detention of Uyghur and other Muslim minorities, in Xinjiang.
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Prosecutors said Anthony Edmond and Rafael Enriquez face the most serious charges, including conspiracy involving firearms trafficking, machineguns and drug trafficking.
Adjective
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These conditions can increase your vulnerability to adverse effects from poor air quality.
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Valentine also testified that the FDA encourages infant formula companies to send in all adverse event reports and that nothing prevented Mead Johnson from doing so.
Cite this Entry
“Dangerous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dangerous. Accessed 7 Jul. 2026.
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