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Definition of impurity
impurity
/ɪmˈpjʊər.ə.ti/
im · pu · ri · ty
Adverb:impurely
•Plural:impurities
•Adjective:impure
impurity Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Top 10k
Syllables
4
impurity Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A foreign, inferior, or unwanted substance mixed into another substance, reducing its quality or cleanliness.
Example
"The filtration system removes chemical impurities from the drinking water."
2
The state or quality of being physically unclean, contaminated, or mixed with extraneous matter.
Example
"High levels of air impurity in industrial zones pose serious respiratory risks."
3
Moral or spiritual corruption, unchastity, or ceremonial defilement.
Example
"Ancient religious texts often prescribe specific rituals to cleanse spiritual impurity."
Synonyms
View all synonyms for impurity Antonyms
View all antonyms for impurity• Rhymes for impurity
Word Origin & Etymology
Borrowed from Old French impurite or directly from Latin impuritas, meaning 'uncleanness' or 'foulness', formed from in- ('not') and purus ('clean, pure').
Cite this Entry
Wordmom. (2026). Definition of Impurity. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/impurity