as in hazardous
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Recent Examples of Synonyms for ultrahazardous
Adjective
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Photos shared by the Clear Creek County Sheriff's Office showed the hazardous road conditions as well as the aftermath of the collisions.—
Angel Saunders,
PEOPLE,
16 Apr. 2026 -
Most hazardous leaks are caused by third-party digging.—
Lexi Salazar,
CBS News,
15 Apr. 2026
Adjective
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The new safety measures come after a barrage of lawsuits from families alleging the platform doesn't do enough to shield children from harmful content and communication with older users.—
Mary Cunningham,
CBS News,
13 Apr. 2026
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Vaccines can train your immune system to recognize and fight harmful germs.—
Sukhman Rekhi,
Verywell Health,
13 Apr. 2026
Adjective
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But Louisa Millington, from Riverside, says Trump’s endorsement of Hilton is detrimental in a state like California.—
Maura Fox,
San Diego Union-Tribune,
12 Apr. 2026
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Orion still needs some fine-tuning As would be expected, this test flight turned up several issues that need to be addressed — including the unserious and the potentially detrimental.—
Jackie Wattles,
CNN Money,
11 Apr. 2026
Adjective
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The agency also rescinded the legal and scientific basis that had long established greenhouse gases as dangerous to public health.—
Stephanie Armour,
CBS News,
13 Apr. 2026
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From a darkly comic road rage incident to something more ambiguous, and potentially more dangerous; from the open roads of Southern California to an exclusive country club in Montecito; and from a couple of strangers in conflict to two actual couples in conflict with each other — and themselves.—
Ryan Coleman,
Entertainment Weekly,
13 Apr. 2026
Adjective
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And that’s not all — Yeon’s new film about the pernicious undead has set its North American theatrical release date.—
Abid Rahman,
HollywoodReporter,
14 Apr. 2026
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That may sound like a smart countermeasure to a pernicious tech shortcut.—
Nathan Agranovsky,
Washington Post,
13 Apr. 2026
Adjective
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Better to say something injurious instead.—
Encyclopedia Britannica,
Encyclopedia Britannica,
19 Mar. 2026
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Elkayam and Sklar were both arrested the day after their son’s death for fentanyl possession and acting in a manner injurious to a child.—
Roni Jacobson,
New York Daily News,
3 Feb. 2026
Adjective
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The charity seeks the court’s intervention, protection, and restitution following a coordinated adverse media campaign conducted since 25 March 2025 that has caused operational disruption and reputational harm to the charity, its leadership, and its strategic partners.—
Dominic Patten,
Deadline,
10 Apr. 2026
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Extend it to four seconds to ensure safe spacing in adverse conditions.—
Bay Area Weather Report,
Mercury News,
10 Apr. 2026
Adjective
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Setting yourself up to overcome its deleterious effects on your money should be one of your top priorities, says Boneparth.—
Ryan Ermey,
CNBC,
1 Apr. 2026
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Alcohol, even marijuana, even light marijuana use, can have a deleterious effect on the development of a young brain.—
Stephanie Nolasco,
FOXNews.com,
29 Mar. 2026
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Cite this Entry
“Ultrahazardous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultrahazardous. Accessed 20 Apr. 2026.
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