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

That benefit is amplified by the addition of 2% ectoin, a protective ingredient that defends skin against external irritants (like pollutants) and internal stressors (like hormonal changes) alike. — Deanna Pai, Vogue, 26 Oct. 2026

Many of these materials are made from oil, which emits pollutants when burned, driving climate change and fueling extreme weather. — Arkansas Online, 24 Oct. 2026

This all means pollutants tend not to disperse or dilute easily. — Paula Hancocks, CNN Money, 23 Oct. 2026

This is a decision about more than one airport and more than one pollutant. — Dana Adkins, Washington Post, 23 Oct. 2026