as in hazardous
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Recent Examples of Synonyms for ultrahazardous
Adjective
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The emergency declaration was first signed by county administrator and director of emergency services Kevin Mallen in response to hazardous materials and debris entering the Yuba River.—
Chaewon Chung,
Sacbee.com,
24 Feb. 2026 -
Boating conditions are poor to hazardous but are expected to improve through the day.—
Garfield Hylton,
The Orlando Sentinel,
24 Feb. 2026
Adjective
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And some types of glyphosates may be more harmful than others.—
Michal Ruprecht,
CNN Money,
24 Feb. 2026
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In addition to its harmful systemic effects, consuming alcoholic beverages is linked with the loss of dietary restraint and overconsumption of calories.—
Anna Giorgi,
Verywell Health,
23 Feb. 2026
Adjective
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Reactions allegedly manipulate young people and play on their emotions in ways detrimental to mental health and well-being.—
Michael McCann,
Sportico.com,
24 Feb. 2026
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In mice with the bacterial infection, fasting was protective while nutritional supplementation was detrimental, the authors found.—
The Washington Post,
San Diego Union-Tribune,
24 Feb. 2026
Adjective
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In 2024, the unfinished towers became a major downtown eyesore after graffiti vandals covered at least 25 floors, followed by dangerous stunts including base jumping that were captured on video and widely shared on social media.—
City News Service,
Daily News,
24 Feb. 2026
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Taunton is in Bristol County, which was under a travel ban for non-essential travel due to dangerous road conditions.—
Rick Sobey,
Boston Herald,
24 Feb. 2026
Adjective
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While critiques of America’s pernicious gambling culture and hypocritical application to athletes never overwhelm the story (or even develop beyond a few jabs per episode), Season 1 lays the groundwork to delve deeper later on while hitting plenty of targets here and now.—
Ben Travers,
IndieWire,
23 Feb. 2026
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Partisan gerrymandering—the practice of drawing districts in a way that is designed to aid one party and hurt the other—is one of the more pernicious phenomena in American politics today.—
David A. Graham,
The Atlantic,
23 Feb. 2026
Adjective
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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
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According to the lawsuit, staff members told parents their children's injuries were the result of self-injurious behavior.—
Karen Morfitt,
CBS News,
9 Jan. 2026
Adjective
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The enforcement is unpredictable; a grower may be ordered to conduct a recall and pay fines for a situation that others face without penalty, even when no adverse health events are reported.—
Rino Ferrarese,
Hartford Courant,
27 Feb. 2026
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The rehabilitation itself will be expensive, and its success will depend on wooing private investors and overcoming a half-decade of adverse publicity.—
Miami Herald Archives,
Miami Herald,
27 Feb. 2026
Adjective
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Conversely, cannabis appears to be especially deleterious to the cognitive and psychological well-being of young people.—
Alexander Nazaryan,
New Yorker,
29 Jan. 2026
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Studies have shown that routine use of AI has a deleterious impact on cognition, creativity, recall, and critical thinking.—
Krista Kafer,
Denver Post,
25 Jan. 2026
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Cite this Entry
“Ultrahazardous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultrahazardous. Accessed 3 Mar. 2026.
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