ultrahazardous

adjective

Definition of ultrahazardousnext
as in hazardous

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Example Sentences

Recent Examples of Synonyms for ultrahazardous
  1. hazardous
  2. harmful
  3. detrimental
  4. dangerous
  5. pernicious
  6. injurious
  7. adverse
  8. deleterious
Adjective
  • Forecasters are expecting rain and hazardous ocean conditions.
    — Andrew J. Campa, Los Angeles Times, 6 Sep. 2026
  • The open valve was hazardous for delivery drivers who were breathing toxic air, said the worker, whose name was not disclosed in the report.
    — ABC News, ABC News, 4 Sep. 2026
Definition of hazardous
Adjective
  • But fasted training isn’t necessarily harmful to muscle gain, Maroldi adds.
    — Daryl Austin, USA Today, 2 Sep. 2026
  • What’s considered harmful to minors can be subjective, and this is where experts believe laws requiring age verification can run afoul of the First Amendment.
    — ABC News, ABC News, 1 Sep. 2026
Definition of harmful
Adjective
  • Being a tenant may limit priority over game scheduling too, which could be detrimental for potential media rights negotiations.
    — Melanie Anzidei, New York Times, 4 Sep. 2026
  • The wet-dry cycle that works well for other houseplants is detrimental to the Venus flytrap.
    — Andy Wilcox, Better Homes & Gardens, 29 Aug. 2026
Definition of detrimental
Adjective
  • The most dangerous place on the field in the third quarter was your own 38 yard line!
    — Stewart Mandel, New York Times, 7 Sep. 2026
  • ShotSpotter offers targeted detection of a dangerous event versus technology like Flock's indiscriminate collection of innocent people's movements.
    — Arkansas Online, Arkansas Online, 7 Sep. 2026
Definition of dangerous
Adjective
  • The magnificence of the AI renaissance has blinded our society to its pernicious creep into the arts.
    — David Barber, HollywoodReporter, 31 Aug. 2026
  • The report highlighted the gene-editing tool CRISPR, in particular, for its revolutionary positive and simultaneously pernicious potential.
    — Elizabeth Sherwood-Randall, Foreign Affairs, 18 Aug. 2026
Definition of pernicious
Adjective
  • White House advisers have argued that his vision would be politically injurious ahead of the midterms.
    — Dhruv Khullar, New Yorker, 25 Aug. 2026
  • Strengthening balance is critical to help older adults prevent injurious falls.
    — Deborah Vankin, Los Angeles Times, 18 Aug. 2026
Definition of injurious
Adjective
  • The Ukraine international forward last played a competitive match for Chelsea in November 2024, and has been suspended under anti-doping rules after an adverse finding in a urine sample.
    — Cerys Jones, New York Times, 5 Sep. 2026
  • Instead, she was given a spate of different medications over a matter of months to treat her symptoms or the adverse reactions to some of the medications.
    — Marlene Lenthang, NBC news, 4 Sep. 2026
Definition of adverse
Adjective
  • During this time, bogs, marshes, and other wetlands, historically seen as disease-ridden and deleterious to human health, were reevaluated by scientists and conservationists as valuable wildlife habitats.
    — Encyclopedia Britannica, Encyclopedia Britannica, 24 July 2026
  • The effects of this are going to be really deleterious to this whole thing.
    — Jasmin Malik Chua, Footwear News, 23 July 2026
Definition of deleterious
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

ultrafine
ultrahazardous
ultraheavy
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Cite this Entry

“Ultrahazardous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultrahazardous. Accessed 8 Sep. 2026.

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