impurity

noun

im·​pu·​ri·​ty (ˌ)im-ˈpyu̇r-ə-tē 

plural impurities

1

: something that is impure or makes something else impure

removing impurities from water

2

: the quality or state of being impure

Synonyms

• adulterant
• contaminant
• contamination
• defilement
• pollutant

Examples of impurity in a Sentence

the impurity of the water

The syrup is strained to remove impurities.

The water is free of impurities.

Recent Examples on the Web

Clay Masks Consider using clay masks once or twice a week to absorb excess oil and draw out impurities from the pores. —William Truswell, Verywell Health, 22 Jan. 2025

Toners can help rebalance the skin’s pH, remove leftover impurities after cleansing, and deliver ingredients that hydrate, soothe, or address specific skin issues. —Christa Joanna Lee, Allure, 19 Jan. 2025

This ensures cleaner, higher-quality Delta-8, free from harmful additives or impurities. —Rowan Briggs, The Mercury News, 17 Jan. 2025

This method is used to remove impurities to create a clear, more visually appealing, and better tasting cocktail. —Amber Love Bond, Forbes, 6 Jan. 2025

Word History

First Known Use

15th century, in the meaning defined at sense 1

Kids Definition

impurity

noun

im·​pu·​ri·​ty (ˈ)im-ˈpyu̇r-ət-ē 

plural impurities

1

: the quality or state of being impure

2

: something that is impure or that makes impure

remove impurities from water

Medical Definition

impurity

noun

im·​pu·​ri·​ty (ˈ)im-ˈpyu̇r-ət-ē 

plural impurities

: something that is impure or makes something else impure