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
That stance is backed by the Federal Aviation Administration (FAA), which maintains a zero-tolerance policy for unruly or dangerous behavior, meaning passengers who interfere with crew duties can face removal, fines, or further action.
—
Lauren Dana Ellman, Travel + Leisure, 13 Jan. 2026
According to the Oklahoma Domestic Violence Fatality Review Board, Oklahoma remains one of the most dangerous states in the nation for women, especially Native women, whose homicide rates are disproportionately high.
—Stephen Martin, Oklahoma Watch, 13 Jan. 2026
Dover said the goal was to prevent dangerous behavior that could put passengers and others near the tracks at risk.
—Ashley Vega, PEOPLE, 13 Jan. 2026
Mixing cleaners improperly could create dangerous chemical gases or cancel out their cleaning properties.
—Mary Marlowe Leverette, The Spruce, 13 Jan. 2026
See All Example Sentences for dangerous
Lauren Dana Ellman, Travel + Leisure, 13 Jan. 2026
According to the Oklahoma Domestic Violence Fatality Review Board, Oklahoma remains one of the most dangerous states in the nation for women, especially Native women, whose homicide rates are disproportionately high.
—Stephen Martin, Oklahoma Watch, 13 Jan. 2026
Dover said the goal was to prevent dangerous behavior that could put passengers and others near the tracks at risk.
—Ashley Vega, PEOPLE, 13 Jan. 2026
Mixing cleaners improperly could create dangerous chemical gases or cancel out their cleaning properties.
—Mary Marlowe Leverette, The Spruce, 13 Jan. 2026
See All Example Sentences for dangerous
Recent Examples of Synonyms for dangerous
Adjective
-
Hadi of the weather service said those increasing winds could create hazardous marine conditions in South Florida, so swimmers and boaters should stay aware.—
Sofia Saric,
Miami Herald,
14 Jan. 2026
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The hazardous conditions could impact the Wednesday evening and Thursday morning commutes.—
NC Weather Bot,
Charlotte Observer,
14 Jan. 2026
Adjective
-
Some harmful varieties closely resemble edible mushrooms, even to experienced foragers.—
Tim Fang,
CBS News,
8 Jan. 2026
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On each phone, the lock screen image was a photo of a child who died young due to the harmful effects of social media.—
Meredith Kile,
PEOPLE,
8 Jan. 2026
Adjective
-
The system focuses on physical interception rather than electronic warfare, addressing scenarios where jamming proves ineffective or risky.—
Aamir Khollam,
Interesting Engineering,
10 Jan. 2026
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Directed by Steven Lisberger, the movie leans hard into CGI at a time when that was still considered risky and experimental.—
Allison DeGrushe,
Entertainment Weekly,
9 Jan. 2026
Adjective
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Rat poison, in Saban-speak, is what is detrimental to teams that start believing their hype and losing focus on the controllables like working as hard as possible every day.—
CBS News,
CBS News,
3 Jan. 2026
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So did the first-round bye really prove to be that detrimental?—
Antonio Morales,
New York Times,
2 Jan. 2026
Adjective
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As Nick and Jackie’s conversations deepen, the line between witness and participant blurs, forcing both to confront what justice demands, what belief requires, and the perilous distance between true freedom and the illusion of self-determination.—
Greg Evans,
Deadline,
13 Jan. 2026
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The film’s narrative kicks into gear when the legendary sun-shooting archer vanishes during a mission to rescue the dying sun, prompting Chang Er to embark on a perilous journey to the moon’s dark side alongside an earthbound bandit who crash-lands into her world.—
Naman Ramachandran,
Variety,
12 Jan. 2026
Adjective
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Davis’ injury is the latest — and potentially most damaging — blow in a Mavericks season defined by attrition.—
Mike Curtis,
Dallas Morning News,
10 Jan. 2026
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After a damaging winter storm of rain, wind, and flooding, staff at Mountain High Resorts in Wrightwood have been working around the clock to prepare for reopening day on Saturday.—
Julie Sharp,
CBS News,
10 Jan. 2026
Adjective
-
The lawsuit names specific brands — including cereals, pizzas, sodas, and potato chips — linking them to serious health problems.—
Alan Greenblatt,
CBS News,
12 Jan. 2026
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Kittle was carted off the field, indicating a serious injury, after he was tackled by safety Marcus Epps at the right sideline.—
Chris Biderman,
Sacbee.com,
12 Jan. 2026
Adjective
-
Public systems can be somewhat risk adverse.—
Grace Hase,
Mercury News,
9 Jan. 2026
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Nekrasov said adverse weather conditions also left parts of several other regions without power, including Chernihiv, Kyiv, Ivano-Frankivsk and Zakarpattia.—
Ashley Carnahan,
FOXNews.com,
8 Jan. 2026
Cite this Entry
“Dangerous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dangerous. Accessed 15 Jan. 2026.
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