as in hazardous
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Recent Examples of Synonyms for ultrahazardous
Adjective
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For their study, the researchers focused specifically on PVC microplastics, as these are among the most hazardous and are prevalent in drinking water, Gonçalves dos Reis said.—
Laura Paddison,
CNN Money,
29 Apr. 2026 -
The two groups are combining university research with engineering expertise to introduce advanced robots that can safely navigate and manage tasks in hazardous nuclear environments.—
Mrigakshi Dixit,
Interesting Engineering,
29 Apr. 2026
Adjective
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But research has shown that several metabolic and heart diseases impair the immune system’s ability to moderate inflammation—causing harmful levels of inflammation in response to high cholesterol, fat or glucose.—
Lauren J. Young,
Scientific American,
27 Apr. 2026
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Today, 87% of agricultural subsidies are environmentally or socially harmful.—
Carlos Alvarado Quesada,
Fortune,
27 Apr. 2026
Adjective
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Too much fertilizer can be detrimental to this wildflower.—
Brandee Gruener,
Southern Living,
27 Apr. 2026
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Indeed, a large body of research has documented the detrimental impact of negative news on individuals’ mental and physical health, attitudes, and behaviors.—
Karen McIntyre,
Encyclopedia Britannica,
27 Apr. 2026
Adjective
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The procedures noted that in some cases, outing students to parents could be dangerous to their health and well-being, and school officials should ask the students for consent to notify their parents of the support plan.—
Melissa Quinn,
CBS News,
27 Apr. 2026
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The world is more dangerous for leaders, across multiple dimensions.—
Diane Brady,
Fortune,
27 Apr. 2026
Adjective
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What is more pernicious than the denial is the tacit acceptance of his behavior in the community, as the community was the lifeblood of his art.—
Doreen St. Félix,
New Yorker,
25 Apr. 2026
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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
Adjective
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Nor did anyone commit an injurious gaffe.—
Dan Walters,
Mercury News,
25 Apr. 2026
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Nor did anyone commit an injurious gaffe.—
Dan Walters,
Oc Register,
23 Apr. 2026
Adjective
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Additionally, there were no serious adverse effects reported.—
Stephanie Pappas,
Scientific American,
24 Apr. 2026
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There were no concerns over safety or adverse events.—
Beth Mole,
ArsTechnica,
24 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 2 May. 2026.
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