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

A number of items were voluntarily discarded due to contamination, including cling film, ovenable pan liners and baking cups. — Veronica Fernandez-Alvarado, Sacbee.com, 25 Sep. 2026

More than a quarter of a century ago, her heroic struggle against a utility giant over groundwater contamination became an Oscar-winning Hollywood movie. — Chas Newkey-Burden, TheWeek, 24 Sep. 2026

Buy produce locally from farmers markets to avoid contamination from large processing facilities. — Sophia Beams, Better Homes & Gardens, 24 Sep. 2026

Boldenone, one of the substances at issue, has been associated with livestock-production practices and meat-contamination claims in prior anti-doping cases involving athletes competing in Colombia. — Michael McCann, Sportico.com, 23 Sep. 2026