pollute

verb

pol·​lute pə-ˈlüt How to pronounce pollute (audio)
polluted; polluting

transitive verb

1
a
: to make ceremonially or morally impure : defile
b
: debase sense 1
using language to deceive or mislead pollutes languageLinda C. Lederman
2
a
: to make physically impure or unclean : befoul, dirty
b
: to contaminate (an environment) especially with man-made waste
polluter noun
pollutive adjective
Choose the Right Synonym for pollute

contaminate, taint, pollute, defile mean to make impure or unclean.

contaminate implies intrusion of or contact with dirt or foulness from an outside source.

water contaminated by industrial wastes

taint stresses the loss of purity or cleanliness that follows contamination.

tainted meat
a politician's tainted reputation

pollute, sometimes interchangeable with contaminate, distinctively may imply that the process which begins with contamination is complete and that what was pure or clean has been made foul, poisoned, or filthy.

the polluted waters of the river

defile implies befouling of what could or should have been kept clean and pure or held sacred and commonly suggests violation or desecration.

defile a hero's memory with slanderous innuendo

Examples of pollute in a Sentence

Miles of beaches were polluted by the oil spill. Car exhaust pollutes the air.
Recent Examples on the Web The rain can wash away pollutants and allergens in the air, especially in many large cities that are overly populated and polluted. Alyssa Hui, Verywell Health, 19 Apr. 2024 Canary Media’s Maria Gallucci, meanwhile, wrote about America’s first all-electric tugboat, which is about to launch at the Port of San Diego and could help replace hugely polluting diesel tugboats. Sammy Roth, Los Angeles Times, 16 Apr. 2024 Previous assessments from the EPA and public health experts have also noted that people living near polluting industrial facilities are disproportionately poor and more likely to be Black. USA TODAY, 10 Apr. 2024 Kaila Austin wants to turn a contaminated wasteland that’s been polluted for nearly a century back into a lush expanse of nature for generations of Norwood Place residents to enjoy. Karl Schneider, The Indianapolis Star, 20 Mar. 2024 Fact check:No, study doesn't show electric cars pollute 1,850 times as much as gas cars Why are gas prices going back up? Spokesperson for AAA, Andrew Gross, told USA TODAY that the most recent price increase is no surprise. USA TODAY, 10 Apr. 2024 Polluting factors should not be developed near vulnerable communities, and in the meantime, pregnant women would benefit from staying away from polluting sites (like downwind of highways) as much as possible. Jeremy Ney, TIME, 9 Apr. 2024 The residents of a spa town are trying to prevent a local doctor, Dr. Stockmann, from telling the truth about a factory that's polluting the local water supply. Chloe Veltman, NPR, 5 Apr. 2024 So that the ride will finally stop polluting the environment at the same time, is even more special. Germain Lussier / Gizmodo, Quartz, 3 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pollute.' 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 Latin pollutus, past participle of polluere, from por- (akin to Latin per through) + -luere (akin to Latin lutum mud, Greek lyma dirt, defilement) — more at for

First Known Use

14th century, in the meaning defined at sense 1a

Time Traveler
The first known use of pollute was in the 14th century

Dictionary Entries Near pollute

Cite this Entry

“Pollute.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pollute. Accessed 29 Apr. 2024.

Kids Definition

pollute

verb
pol·​lute pə-ˈlüt How to pronounce pollute (audio)
polluted; polluting
: to make impure
especially : to spoil (as a natural resource) with waste made by humans
industrial wastes polluted the river

Medical Definition

pollute

transitive verb
pol·​lute pə-ˈlüt How to pronounce pollute (audio)
polluted; polluting
1
: to make physically impure or unclean
2
: to contaminate (an environment) especially with man-made waste
polluter noun
pollutive adjective

More from Merriam-Webster on pollute

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