unclean

adjective

un·​clean ˌən-ˈklēn How to pronounce unclean (audio)
1
2
: morally or spiritually impure
3
: infected with a harmful supernatural contagion
also : prohibited by ritual law for use or contact
4
: lacking in clarity and precision of conception or execution
uncleanness noun

Examples of unclean in a Sentence

Many of their health problems were caused by unclean living conditions. there's something unclean about this whole business
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Several areas had debris and unclean surfaces, including the three-compartment sink and areas behind the ice machine and under the prep sink. Veronica Fernandez-Alvarado, Sacbee.com, 4 June 2025 Full Story Benefits of boiling water with dirty fuels outweigh the risk in areas with unclean resources: Study Boiling unclean water in many regions of the world results in air pollution from burning dirty fuels, but the benefits of doing so usually outweigh the risks, a new study has found. Rachel Frazin, The Hill, 13 May 2025 Rarely has equity ever seen a party whose hands are so unclean. William Lambers, Newsweek, 9 Mar. 2025 The employee said to not shoot the bear and advised him to call Public Safety to scare it away, officials said, adding that what likely attracted the bear to the man’s home were food items, including cat food and unclean grills. Natalie Demaree, Miami Herald, 25 May 2025 See All Example Sentences for unclean

Word History

First Known Use

before the 12th century, in the meaning defined at sense 2

Time Traveler
The first known use of unclean was before the 12th century

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Cite this Entry

“Unclean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unclean. Accessed 10 Jun. 2025.

Kids Definition

unclean

adjective
un·​clean ˌən-ˈklēn How to pronounce unclean (audio)
1
: not pure and innocent : wicked
2
: prohibited by religious law for use or contact
3
uncleanness noun

More from Merriam-Webster on unclean

Last Updated: - Updated example sentences
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