as in contamination
something that is or that makes impure
a filter to remove contaminants from the drinking water
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
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.
Recent Examples of contaminant
The results showed that 12 products contained appropriate amounts of THC and 18 were free of contaminants.
—
Gina Lee Castro, jsonline.com, 19 Feb. 2026
According to the recall notice, the FDA sampled the baby food using its Total Diet Study tool, which monitors levels of nutrients – and contaminants – in foods people eat across the United States.
—Saleen Martin, USA Today, 18 Feb. 2026
Boiling water to reduce contaminants isn’t a practical solution in places without consistent electricity.
—Matthew Carey, Deadline, 18 Feb. 2026
If those ponds are unlined and uncapped, contaminants in the ash, such as arsenic and mercury, can leak into groundwater and in turn impact the ecosystem and health of residents living nearby.
—Karl Schneider, IndyStar, 17 Feb. 2026
See All Example Sentences for contaminant
Gina Lee Castro, jsonline.com, 19 Feb. 2026
According to the recall notice, the FDA sampled the baby food using its Total Diet Study tool, which monitors levels of nutrients – and contaminants – in foods people eat across the United States.
—Saleen Martin, USA Today, 18 Feb. 2026
Boiling water to reduce contaminants isn’t a practical solution in places without consistent electricity.
—Matthew Carey, Deadline, 18 Feb. 2026
If those ponds are unlined and uncapped, contaminants in the ash, such as arsenic and mercury, can leak into groundwater and in turn impact the ecosystem and health of residents living nearby.
—Karl Schneider, IndyStar, 17 Feb. 2026
See All Example Sentences for contaminant
Recent Examples of Synonyms for contaminant
Noun
-
Monitoring teams were stationed around the demolition zone to check for any radioactive contamination released during the implosion.—
Sujita Sinha,
Interesting Engineering,
24 Feb. 2026
-
Trader Joe’s Chicken Fried Rice and other frozen products are being recalled due to potential glass contamination.—
Michele Laufik,
Martha Stewart,
23 Feb. 2026
Noun
-
That area is also dealing with effects of other toxic pollutants stemming from the Tijuana River Valley sewage crisis.—
Jemma Stephenson,
San Diego Union-Tribune,
21 Feb. 2026
-
Of all fossil fuels, coal emits the most carbon dioxide per unit of energy, and burning it releases deadly pollutants into the air.—
Simmone Shah,
Time,
20 Feb. 2026
Cite this Entry
“Contaminant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/contaminant. Accessed 25 Feb. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
