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
The incumbents and their allies say that is exactly what makes the races so dangerous.
—
Greg Bluestein, AJC.com, 18 May 2026
People make pilgrimages here, such as a man who had come on a recent afternoon from the Tierra Caliente, a famously dangerous part of Michoacán.
—Kate Linthicum, Los Angeles Times, 18 May 2026
Beyond the viral fame and dangerous stunts, Anthony says the experience has ultimately strengthened his relationship with his daughter.
—Jordan Greene, PEOPLE, 18 May 2026
Eighteen Americans are currently under observation at specialized healthcare facilities in the United States designed to treat people with dangerous infectious diseases.
—Adam Harrington, CBS News, 18 May 2026
See All Example Sentences for dangerous
Greg Bluestein, AJC.com, 18 May 2026
People make pilgrimages here, such as a man who had come on a recent afternoon from the Tierra Caliente, a famously dangerous part of Michoacán.
—Kate Linthicum, Los Angeles Times, 18 May 2026
Beyond the viral fame and dangerous stunts, Anthony says the experience has ultimately strengthened his relationship with his daughter.
—Jordan Greene, PEOPLE, 18 May 2026
Eighteen Americans are currently under observation at specialized healthcare facilities in the United States designed to treat people with dangerous infectious diseases.
—Adam Harrington, CBS News, 18 May 2026
See All Example Sentences for dangerous
Recent Examples of Synonyms for dangerous
Adjective
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That land was also home to a portion of the Citizens Gas manufactured gas plant, leaving behind layers of coal tar and hazardous waste.—
Michelle de la Uz,
New York Daily News,
13 May 2026
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An air quality alert is issued by the government when air pollution levels reach unhealthy or hazardous levels to help people take proactive measures.—
Natassia Paloma,
USA Today,
13 May 2026
Adjective
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Prosecutors maintain the search was legal because it was conducted in conjunction with an arrest and officers were following Altoona police protocols that require them to check for dangerous items that could be harmful to them or the public.—
Michael R. Sisak,
Los Angeles Times,
18 May 2026
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Santos is charged with distributing food with a harmful substance, according to court records obtained by the Telegram & Gazette, part of the USA TODAY Network.—
Drew Pittock,
USA Today,
18 May 2026
Adjective
-
Blue-collar work tends to be more physically demanding and often risky.—
Gabrielle Fonrouge,
CNBC,
19 May 2026
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That is a risky combination in any enterprise setting.—
Emily Lewis-Pinnell,
Forbes.com,
18 May 2026
Adjective
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However, pruning mistakes can be very detrimental, introducing shock or infection to an otherwise thriving shrub, tree, or flower.—
Emily Hayes,
Martha Stewart,
19 May 2026
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And then there is the part of the leverage exercise that so many times before has proven detrimental to the Heat — the waiting game.—
Ira Winderman,
Sun Sentinel,
16 May 2026
Adjective
-
Perhaps most politically perilous, 31% of independents who voted for Trump in 2024 would not vote for him again in an election do-over.—
Tatishe Nteta,
Fortune,
16 May 2026
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Cholera, a waterborne bacterial disease, has unleashed a perilous wave across southern Africa, with active outbreaks currently afflicting five countries in southern and central Africa.—
John Drake,
Forbes.com,
15 May 2026
Adjective
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Storms could be strong and organized, bringing all severe weather threats — tornadoes, large hail, and damaging winds — and downpours will also be possible, the Weather Service said.—
Kansas City Star,
Kansas City Star,
15 May 2026
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Why Migrations Generate Headaches One of the most damaging aspects of migration happens in the human aspect of the business.—
Thomas Berndorfer,
Forbes.com,
15 May 2026
Adjective
-
The number of teams and bowls involved could shift as discussions become more serious.—
Scott Dochterman,
New York Times,
15 May 2026
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The announcement comes amid growing scrutiny over e-bikes and e-motorcycles across Southern California following several serious and fatal crashes involving young riders.—
Sydney Barragan,
Oc Register,
14 May 2026
Adjective
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Post-Adverse Outcome Disclosure Obligations The replacement bill also creates disclosure obligations after an adverse outcome.—
Alonzo Martinez,
Forbes.com,
15 May 2026
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Prolonged stress can have adverse consequences, especially for pregnant mothers, children and critically ill patients.—
Adam Harrington,
CBS News,
14 May 2026
Cite this Entry
“Dangerous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dangerous. Accessed 20 May. 2026.
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