as in hazardous
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Recent Examples of Synonyms for ultrahazardous
Adjective
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Strong longshore currents can sweep swimmers and surfers into rip currents, piers, jetties and other hazardous areas.—
NC Weather Bot,
Charlotte Observer,
8 Apr. 2026 -
In the 1990s, FDOT concluded that I-395, the mile-long elevated highway built in the late 1960s to connect the new Interstate 95 and the MacArthur Causeway, was hazardous and structurally and functionally obsolete.—
Andres Viglucci,
Miami Herald,
8 Apr. 2026
Adjective
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This week, California regulators are taking a critical look at one of the state’s most harmful laws.—
Tom Manzo,
Oc Register,
6 Apr. 2026
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Awareness, not alarm, is a powerful tool for families navigating online spaces where harmful language and intent are often hidden in plain sight.—
Sharlette A. Kellum,
The Conversation,
6 Apr. 2026
Adjective
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Red-eared sliders have had a detrimental impact on our native turtle populations.—
Stephen Underwood,
Hartford Courant,
7 Apr. 2026
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Researchers are still unsure about how detrimental the blood changes could be to the sharks’ health.—
Devika Rao,
TheWeek,
7 Apr. 2026
Adjective
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The sheriff's office extended condolences to the child's family and loved ones, calling the incident a tragic reminder of how quickly conditions on the water can turn dangerous.—
Richard Ramos,
CBS News,
7 Apr. 2026
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As multiple cities around Jackson County move to ban types of unregulated and potentially dangerous ‘gas station drugs’ — specifically more potent variations of kratom — Lee’s Summit has not only joined the charge but has taken restrictions even further.—
Ilana Arougheti,
Kansas City Star,
6 Apr. 2026
Adjective
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But Clavicular’s rise is pernicious.—
Will Gottsegen,
The Atlantic,
26 Mar. 2026
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So when and why did humans fall prey to such a pernicious threat?—
Andrew Paul,
Popular Science,
26 Feb. 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 13 Apr. 2026.
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