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
Their eyes stinging from the noxious substance, cops managed to tackle Baraket to the ground and take her into custody.
—
Rocco Parascandola, New York Daily News, 2 July 2025
One of the two Chinese nationals arrested for allegedly smuggling a toxic crop-killing pathogen, which also has devastating health effects on humans, stuffed the noxious fungus into her boots while entering the U.S. in 2022, documents show.
—Peter D'abrosca, FOXNews.com, 4 June 2025
Marian Flanders, 79, wondered about the potentially noxious chemicals that spread as a result of the explosion into crops and air.
—Ishani Desai
july 8, Sacbee.com, 8 July 2025
In the past couple of years, the volume of sewage flows, laced with contaminated stormwater, noxious chemicals and trash, has been the highest in the last quarter-century, worsening conditions for those living and working nearby.
—Tammy Murga, San Diego Union-Tribune, 5 July 2025
See All Example Sentences for noxious
Rocco Parascandola, New York Daily News, 2 July 2025
One of the two Chinese nationals arrested for allegedly smuggling a toxic crop-killing pathogen, which also has devastating health effects on humans, stuffed the noxious fungus into her boots while entering the U.S. in 2022, documents show.
—Peter D'abrosca, FOXNews.com, 4 June 2025
Marian Flanders, 79, wondered about the potentially noxious chemicals that spread as a result of the explosion into crops and air.
—Ishani Desai
july 8, Sacbee.com, 8 July 2025
In the past couple of years, the volume of sewage flows, laced with contaminated stormwater, noxious chemicals and trash, has been the highest in the last quarter-century, worsening conditions for those living and working nearby.
—Tammy Murga, San Diego Union-Tribune, 5 July 2025
See All Example Sentences for noxious
Recent Examples of Synonyms for noxious
Adjective
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Almost every state has a variety of snake species, both poisonous and nonvenomous.—
Janet Loehrke,
USA Today,
11 July 2025
-
Knowing that he's developed a bond with Dr. Ochoa, Tessa stages a scene in which John Perry (Ian McQuown), a member of the network, attempts to kill Dr. Ochoa via one of Voit's favorite methods: a poisonous Sicarius spider dropped into her mouth.—
Randall Colburn,
EW.com,
10 July 2025
Adjective
-
Antisocial Anger Some teenagers express their anger through harmful behaviors such as threatening others, vandalism, skipping school or using drugs.—
Mark Travers,
Forbes.com,
16 July 2025
-
Independent testing confirms that the supplement contains the ingredients listed on the label and is free from harmful contaminants.—
Kirstyn Hill,
Health,
15 July 2025
Adjective
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Nearly 200 pounds of disgusting mats and fur was removed, which equates to an average of 1.5 pounds per dog.—
Jack Beresford,
MSNBC Newsweek,
16 July 2025
-
That being cold is cool and being hot with a side of humidity is rather disgusting.—
Sherry Kuehl,
Kansas City Star,
16 July 2025
Adjective
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Set in Bogotá, the film explores masculinity through the story of Carlos, a sensitive teen confronting toxic gender norms in a macho environment.—
Anna Marie de la Fuente,
Variety,
15 July 2025
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This felt therapeutic, an antidote to the toxic diet of overly personal information that we are fed daily by our phones.—
Guy Trebay,
Travel + Leisure,
15 July 2025
Adjective
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More dangerous heat waves The Great Lakes region warmed substantially faster in the six years since the last assessment than it did in decades prior, the report shows.—
Caitlin Looby,
jsonline.com,
24 July 2025
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Here's what each means, according to the NWS: Heat advisory: A heat advisory is the lowest level and is issued for dangerous heat conditions that are not expected to reach the criteria for a more serious alert.—
Chad Murphy,
The Enquirer,
24 July 2025
Adjective
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These are the kind of ugly games that sometimes get played when GMs and coaches grow apart and pressure builds on their job securities and livelihoods.—
Pat Leonard,
Hartford Courant,
21 July 2025
-
In 1965 Martin got into an ugly battle with President Lyndon B. Johnson.—
Steve Forbes,
Forbes.com,
21 July 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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The unhealthful effects of autocracy remain robust even when accounting for economic differences and when excluding Venezuela and its collapsing health-care system.—
Thomas J. Bollyky,
Foreign Affairs,
30 Jan. 2020
Adjective
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The team identified three distinct behavioral phenotypes as a result of their experiments, representing the varying sensitivity of people to the adverse consequences (punishment) of their actions.—
Jennifer Ouellette,
ArsTechnica,
24 July 2025
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Without such data, the systems can serve adverse, false results or fail to understand the context of a user’s query, among other issues.—
Meghan Hall,
Sourcing Journal,
22 July 2025
Cite this Entry
“Noxious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/noxious. Accessed 29 Jul. 2025.
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