Synonyms of contamination

contamination

noun

kən-ˌta-mə-ˈnā-shən 

as in contaminant

something that is or that makes impure

swimming in the lake is banned until the contamination is identified and neutralized

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

Example Sentences

Recent Examples of contamination

Other factors include a country’s ability to prevent infections, diagnose accurately, control environmental contamination and enforce regulations, Deng said. — Laura Sharman, CNN Money, 9 Sep. 2026

The worst impacts were felt in Georgia, where hackers’ successful shutdown of a pump station led to a drop in water pressure, which increased the risk of contamination of drinking water, the center reported. — Sarah Cutler, Idaho Statesman, 8 Sep. 2026

The 2011 food safety law called on manufacturers to place bar codes on each batch of produce, so that it can be quickly traced in the event of contamination. — ABC News, 8 Sep. 2026

She was accused of submitting reports that said no male DNA was found when there was, in fact, male DNA or possible contamination that should have been retested. — Jesse Sarles, CBS News, 8 Sep. 2026