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polluter

American  
[puh-loot-er] / pəˈlut ər /

noun

  1. a person, company, nation, etc., that pollutes the natural environment.

  2. a source or agent of noise pollution or light pollution.

  3. a person or thing that introduces unwanted or harmful elements into anything.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.