Synonyms of contaminant

contaminant

noun

kən-ˈta-mə-nənt 

as in contamination

something that is or that makes impure

a filter to remove contaminants from the drinking water

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

Example Sentences

Recent Examples of contaminant

Filtration: The 2 Most Powerful Tools Against COVID-19 By Carl Zimmer Newsweek Is A Trust Project Member news article 1 Viruses, wildfires, emissions from manufacturing...the list of natural and man-made airborne contaminants is long. —Dan Perry, Newsweek, 19 Feb. 2025

The agency follows strict requirements for planetary protections, which seek to limit any human contamination of extraterrestrial environments — and prevents returning any contaminants from those environments to Earth. —Ashley Strickland, CNN, 30 Jan. 2025

This leaves the people who drink it vulnerable to infectious microbes or potentially other toxic contaminants. —Bill Sullivan, The Conversation, 27 Jan. 2025

Jennifer Jay is a professor of Environmental Engineering at UCLA, focusing on transport of contaminants in the environment. —Josh Hammer, Newsweek, 14 Feb. 2025