1
as in poisonous
bad for the well-being of the body
mixing bleach and ammonia can cause noxious fumes that can seriously harm you
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Antonyms & Near Antonyms
2
as in harmful
causing or capable of causing harm
noxious smog that for years has been encrusting the historic cathedral with soot
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Antonyms & Near Antonyms
3
as in disgusting
causing intense displeasure, disgust, or resentment
the website reserved the right to remove and report hate speech and other noxious types of postings
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Example Sentences
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Recent Examples of noxious
One of the most noxious of former President Joe Biden’s leftover regulatory rules applies to partnerships — an increasingly common form of business organization and expansion.
—
Stephen Moore, Boston Herald, 13 Sep. 2025
Along with the swamp eels, scientists in the USGS Wetland and Aquatic Research Center have been most concerned about the spread of Cuban tree frogs, which secrete noxious chemicals that are harmful to humans, and alligatorweed, which clogs waterways that can impact infrastructure.
—Wesley Bruer, CNN Money, 8 Sep. 2025
With the original Toxic Avenger creator’s blessing, Macon Blair has brought the cult franchise back from its noxious cinematic dumping grounds.
—Glenn Garner, Deadline, 7 Sep. 2025
These critics object that honoring Confederates is really celebrating noxious symbols of slavery and white supremacy.
—Time, 5 Sep. 2025
See All Example Sentences for noxious
Stephen Moore, Boston Herald, 13 Sep. 2025
Along with the swamp eels, scientists in the USGS Wetland and Aquatic Research Center have been most concerned about the spread of Cuban tree frogs, which secrete noxious chemicals that are harmful to humans, and alligatorweed, which clogs waterways that can impact infrastructure.
—Wesley Bruer, CNN Money, 8 Sep. 2025
With the original Toxic Avenger creator’s blessing, Macon Blair has brought the cult franchise back from its noxious cinematic dumping grounds.
—Glenn Garner, Deadline, 7 Sep. 2025
These critics object that honoring Confederates is really celebrating noxious symbols of slavery and white supremacy.
—Time, 5 Sep. 2025
See All Example Sentences for noxious
Recent Examples of Synonyms for noxious
Adjective
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Nothing was more freeing than finally realizing how poisonous these people are.—
Christina Dugan Ramirez,
FOXNews.com,
21 Oct. 2025
-
The scorpion, who will sting with their poisonous venom when hurt, is extremely intuitive and highly aware of their surroundings.—
Lisa Stardust,
Refinery29,
21 Oct. 2025
Adjective
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The findings come just a couple years after another study conducted by Spanish and Brazilian researchers revealed the existence of potentially harmful bisphenol chemicals in clothing sold in Spain for pregnant women, newborns and toddlers.—
Jennifer Bringle,
Sourcing Journal,
22 Oct. 2025
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According to one study, people may become either psychologically or physically dependent on caffeine, which may be harmful.—
Brittany Lubeck,
Verywell Health,
22 Oct. 2025
Adjective
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That would probably be the most disgusting kind.—
Ilana Kaplan,
PEOPLE,
24 Oct. 2025
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Continue reading … 'DISGUSTING' – Jen Psaki jokes Usha Vance scared of her husband, ripped for 'disgusting' comments.—
,
FOXNews.com,
22 Oct. 2025
Adjective
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Unknown dangers Many personal care products — from lipstick to shampoo and moisturizer — still contain potentially toxic chemicals.—
Kimberly Richardson,
CNN Money,
21 Oct. 2025
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The test can detect trace amounts of minerals and toxic metals in their system, providing information at levels even smaller than a traditional blood test can find.—
Christine Persaud,
USA Today,
20 Oct. 2025
Adjective
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Praneeth Kumar Usiripalli is charged with one count of assault with a dangerous weapon with intent to do bodily harm while traveling on an aircraft, according to a news release from the US Attorney’s Office for the District of Massachusetts.—
Cindy Von Quednow,
CNN Money,
28 Oct. 2025
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This connection would become increasingly important over the twentieth century, as the rapid development of technological infrastructure created ever-expanding and increasingly dangerous sensitivities to geomagnetic storms.—
Literary Hub,
Literary Hub,
27 Oct. 2025
Adjective
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Vanderbilt survived a Hail Mary against Missouri, while Memphis bounced back from its ugly loss to UAB to defeat South Florida and regain its spot as the leading Group of Five playoff contender.—
Steven Johnson,
Fort Worth Star-Telegram,
26 Oct. 2025
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But two familiar problems reared their ugly heads.—
Edward Lotterman,
Twin Cities,
26 Oct. 2025
Adjective
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The change comes amid concerns about fireworks causing unhealthful air.—
Rong-Gong Lin II,
Los Angeles Times,
19 June 2025
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Health professionals encourage people to use lean cuts of meat because most of the fat in animal products is unhealthful saturated fat, which can raise the risk of heart disease and cancer.—
Bethany Thayer,
Detroit Free Press,
22 June 2024
Adjective
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There is no known level of lead exposure that is considered safe and some people are at even higher risk of adverse effects, warned the agency, including young children, people of child-bearing age and people who are breastfeeding.—
Mary Walrath-Holdridge,
USA Today,
24 Oct. 2025
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Given an adverse court ruling (related to another firm) that was adverse to Netflix, management recognized the expense this quarter.—
Lisa Kailai Han,
CNBC,
22 Oct. 2025
Cite this Entry
“Noxious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/noxious. Accessed 29 Oct. 2025.
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