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

The contamination can occur in irrigation water or during growing rather than in processing, and investigators are often forced to rely heavily on epidemiology and traceback investigations instead of laboratory confirmation. — Mary Whitfill Roeloffs, Forbes.com, 20 July 2026

Critics point to a quilt-like pattern of toxins, rather than widespread contamination, as evidence that the lead was likely present before the Eaton fires and could be treated with less urgency. — Los Angeles Times, 19 July 2026

Produce supplier Taylor Farms is recalling iceberg lettuce shipped to 27 US states because of potential contamination with cyclospora, the parasite causing thousands of cases of diarrhea across the country. — Jamie Gumbrecht, CNN Money, 18 July 2026

Use a solution of rubbing alcohol or a 10 percent bleach mix to reduce cross-contamination. — Samantha Johnson, Martha Stewart, 18 July 2026