impure

adjective

im·​pure (ˌ)im-ˈpyu̇r How to pronounce impure (audio)
: not pure: such as
a
: containing something unclean : foul
impure water
b
: mixed or impregnated with an extraneous and usually unwanted substance
an impure chemical
c
d
: ritually unclean
impurely adverb
impureness noun

Examples of impure in a Sentence

be careful, because impure motor oil can damage your car's engine Victorian notions of what qualified as impure art now strike us as laughable.
Recent Examples on the Web But to pursue a state of purity—even a fictional one; even a made-up, obviously impure one—still feels righteous. Ian Bogost, The Atlantic, 26 Aug. 2024 For her part, Lisa compared the risks of dose-splitting with the risks of her alternatives: Either going to a compounding pharmacy, whose copycat drugs might be unreliable or impure, or continuing to live with obesity. Sarah Zhang, The Atlantic, 15 Aug. 2024 Hartley connected his temperance and milk crusades in An Essay on Milk from 1842, arguing that milk produced in cities was impure not just because of its adulteration by contaminants like formaldehyde, but also because of its sourcing from urban swill sheds. Catherine Long, JSTOR Daily, 17 Jan. 2024 Small rural dairies, now considered the source of impure milk, were the new villains creating impure milk. Catherine Long, JSTOR Daily, 17 Jan. 2024 See all Example Sentences for impure 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'impure.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English, from Middle French & Latin; Middle French, from Latin impurus, from in- + purus pure

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of impure was in the 15th century

Dictionary Entries Near impure

Cite this Entry

“Impure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impure. Accessed 1 Oct. 2024.

Kids Definition

impure

adjective
im·​pure (ˈ)im-ˈpyu̇(ə)r How to pronounce impure (audio)
1
: not pure : unclean, dirty
2
: mixed with something else that is usually not as good
an impure chemical
impurely adverb

Medical Definition

impure

adjective
im·​pure (ˈ)im-ˈpyu̇(ə)r How to pronounce impure (audio)
: not pure: as
a
: containing something unclean
impure water
b
: mixed or impregnated with an extraneous and usually unwanted substance : adulterated
an impure chemical

More from Merriam-Webster on impure

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