Synonyms of impurity

impurity

noun

(ˌ)im-ˈpyu̇r-ə-tē 

1

as in contamination

something that is or that makes impure

impurities in the water made it cloudy

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

2

as in grossness

the quality or state of being obscene

the impurity of her thoughts was troubling, given her strict upbringing

Synonyms & Similar Words

• grossness
• vulgarity
• foulness
• crudeness
• suggestiveness
• coarseness
• dirtiness
• obscenity
• filthiness
• lewdness
• filth
• lasciviousness
• profanity
• indecency
• wantonness
• crudity
• ribaldry
• smut
• nastiness
• offensiveness
• bawdiness
• dirt
• blueness
• abusiveness
• lowness
• distastefulness
• impureness
• raunchiness
• raunch
• naughtiness
• broadness
• atrocity
• wickedness
• perversity
• smuttiness
• unacceptability
• indelicacy
• undesirability
• perverseness
• immodesty
• perversion
• earthiness
• saltiness
• depravity
• lechery
• unpleasantness
• repulsiveness
• raciness
• repugnance
• loathsomeness
• obnoxiousness
• gaminess
• reprehensibility
• kinkiness
• indecorousness
• depravedness
• repellency
• infamy
• unbecomingness
• pervertedness
• indelicateness
• objectionableness
• reprehensibleness
• scurrilousness
• exceptionability
• atrociousness

Antonyms & Near Antonyms

• puritanism
• prudery
• correctness
• prudishness
• primness
• priggishness
• decorum
• decency
• purity
• suitability
• seemliness
• appropriateness
• fitness
• priggery
• suitableness
• perfection
• decorousness
• spotlessness

Example Sentences

Recent Examples of impurity

Ice•ology trays use a slow-freezing process designed to separate impurities and air bubbles from the ice, creating crystal-clear cubes that elevate cocktails, mocktails and everyday beverages. — ABC News, 24 Oct. 2026

For the collection, the mill applies a special cleaning process to cotton that removes 80 percent of impurities. — Angela Velasquez, Footwear News, 21 Oct. 2026

This shampoo also has hydrolyzed keratin to smooth hair and boost shine, while chelating agents will remove those hard water impurities to keep hair feeling and looking healthy. — Audrey Noble, Vogue, 21 Oct. 2026

Derms love La Roche-Posay’s Toleriane Hydrating Gentle Cleanser and CeraVe’s Hydrating Facial Cleanser; both formulas are super gentle but still remove SPF, makeup, and other impurities. — Kara Nesvig, Allure, 16 Oct. 2026