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

Thousands of cases of tofu have been recalled in dozens of states over possible chemical contamination. — Melina Khan, USA Today, 31 Aug. 2026

Residents involved in Ladera Health Watch are also concerned about whether old oil and gas wells underneath the Ladera Ranch and the nearby Prima Deshecha Landfill could be possible sources of environmental contamination. — Clara Harter, Los Angeles Times, 30 Aug. 2026

This marks the latest in a series of Baxter recalls concerning particulate contamination in injectable medical products. — Victoria Forster, Forbes.com, 28 Aug. 2026

Other bottled water companies often process water using plastic, which would increase the risk of contamination. — Sam Stone, Bon Appetit Magazine, 27 Aug. 2026