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
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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
Texas has quite the reputation for extreme weather, from excessive heat and dangerous freezes to disastrous hurricanes and deadly flooding.
—
Alexis Simmerman, Austin American Statesman, 16 Feb. 2026
The California coast is bracing for heavy thunderstorms on Monday that could lead to dangerous flash flooding and debris flows.
—Kenton Gewecke, ABC News, 16 Feb. 2026
The custom, which can risk infecting infants with dangerous diseases, is practiced only in haredi Orthodox communities such as the substantial one in Antwerp.
—Philissa Cramer, Sun Sentinel, 16 Feb. 2026
Hikers, outdoor enthusiasts may encounter dangerous winter conditions above the snow level.
—Ca Weather Bot, Sacbee.com, 16 Feb. 2026
See All Example Sentences for dangerous
Alexis Simmerman, Austin American Statesman, 16 Feb. 2026
The California coast is bracing for heavy thunderstorms on Monday that could lead to dangerous flash flooding and debris flows.
—Kenton Gewecke, ABC News, 16 Feb. 2026
The custom, which can risk infecting infants with dangerous diseases, is practiced only in haredi Orthodox communities such as the substantial one in Antwerp.
—Philissa Cramer, Sun Sentinel, 16 Feb. 2026
Hikers, outdoor enthusiasts may encounter dangerous winter conditions above the snow level.
—Ca Weather Bot, Sacbee.com, 16 Feb. 2026
See All Example Sentences for dangerous
Recent Examples of Synonyms for dangerous
Adjective
-
Inspectors found shortcomings such as employing unqualified instructors, failing to test students’ skills or teach them how to handle hazardous materials and using the wrong equipment to teach drivers.—
Josh Funk,
Los Angeles Times,
19 Feb. 2026
-
An image of public entities failing to comply with the law about lead paint, hazardous trash collection, or other public hazards.—
Emily Galvin Almanza,
Literary Hub,
18 Feb. 2026
Adjective
-
Ultimately, however, Kato said, the goal should not be to replace one plastic bead with a less harmful one.—
TRAVIS LOLLER,
Arkansas Online,
16 Feb. 2026
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Keep an eye out for any legitimate potential problems, especially those involving money, but there’s no need to assume harmful intentions.—
Tarot.com,
Chicago Tribune,
16 Feb. 2026
Adjective
-
Most defense analysts agree that an invasion would be costly, bloody and highly risky for China, Taiwan and any countries that come to Taiwan’s aid, such as the United States or Japan.—
Eryk Michael Smith,
FOXNews.com,
16 Feb. 2026
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That begs the question of whether silver is just too risky a bet in retirement these days.—
Aly J Yale,
CBS News,
16 Feb. 2026
Adjective
-
Doris Roberts, the owner and principal designer at Doris Roberts Interiors, explains how excess moisture can be detrimental to carpeting, which absorbs it like a sponge.—
Marisa Suzanne Martin,
The Spruce,
16 Feb. 2026
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But the pressure to upgrade skills and learn the difficult jumps on joints that are still growing can be detrimental for athletes.—
Los Angeles Times,
Los Angeles Times,
16 Feb. 2026
Adjective
-
In a cult classic 1976 film, The Bill Koch Experience, the star slaloms at perilous speed through low brush, dodges cows in a pasture, and also leaps off a boulder, only to tumble.—
Bill Donahue,
Outside,
14 Feb. 2026
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Had all three missed the right answer, as did indeed happen, the trio would have gone into a perilous tiebreaker.—
Claire McNear,
Rolling Stone,
13 Feb. 2026
Adjective
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Large hail up to quarter size and damaging winds of up to 60 mph are possible both Friday and Saturday afternoon and evenings.—
Isa Almeida,
Oklahoman,
12 Feb. 2026
-
But growth stalled, due both to the pandemic and damaging revelations about Glossier’s corporate culture during the racial justice movement following the murder of George Floyd.—
Jenny B. Fine,
Footwear News,
11 Feb. 2026
Adjective
-
Fajardo-Acosta described him as an extremely serious person who also possessed a good sense of humor, spoke very eloquently and read all the time.—
Clara Harter,
Los Angeles Times,
20 Feb. 2026
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Lawmaker Jorge Arreaza, who presented the bill, highlighted these carve-outs to ensure the measure does not shield serious offenses.—
Alessandra Freitas,
CNN Money,
20 Feb. 2026
Adjective
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Kiosks should be designed to detect drug combinations or conditions with higher risks for adverse events and these high-risk scenarios should be automatically flagged for real-time clinician review or to be reviewed within 24 hours of dispensing.—
Mark A. Munger,
STAT,
13 Feb. 2026
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The sharp rise in chocolate prices owes to a cocoa shortage caused primarily by adverse weather and crop disease in West Africa, which accounts for about 70% of the world’s cocoa, some analysts told ABC News.—
Max Zahn,
ABC News,
13 Feb. 2026
Cite this Entry
“Dangerous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dangerous. Accessed 20 Feb. 2026.
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