Synonyms of pollutant

pollutant

noun

pə-ˈlü-tᵊnt 

as in contaminant

something that is or that makes impure

filtered the pollutants out of the water

Synonyms & Similar Words

• contaminant
• contamination
• sludge
• defect
• impurity
• soil
• irregularity
• stain
• adulterant
• defilement
• dirt
• taint
• spot
• abnormality
• muck
• filth
• grime
• blot
• fault
• scum
• blotch
• flaw
• smut
• disfigurement
• blemish
• imperfection

Antonyms & Near Antonyms

• filter
• purifier
• refiner
• clarifier
• purity
• cleanliness
• immaculateness

Example Sentences

Recent Examples of pollutant

Wastewater treatment removes a large share of those pollutants, but not everything disappears. — Ryan Brennan, Fort Worth Star-Telegram, 17 Sep. 2026

Wastewater treatment removes a large share of pollutants, but not everything disappears. — Ryan Brennan, Sacbee.com, 17 Sep. 2026

Limits placed on coal- and gas-fired power plants by the Biden administration, as well as emissions of mercury and other air pollutants, will be repealed, an intention the agency first announced more than a year ago. — Dinah Voyles Pulver, USA Today, 15 Sep. 2026

Environmental groups say the move to repeal power plant rules will increase pollutants that harm human health. — Julia Simon, NPR, 14 Sep. 2026