Definitions For Pollution

noun

• The act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors
• The state of being polluted
• Undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities
• The action or process of making land, water, air, etc., dirty and not safe or suitable to use
• Substances that make land, water, air, etc., dirty and not safe or suitable to use