What is the opposite of pollute?

Need antonyms for pollute? Here's a list of opposite words from our thesaurus that you can use instead.

Verb
Opposite of to tarnish or dirty with contaminants or something undesirable
Verb
Opposite of to harm or ruin the reputation, dignity, purity or quality of
Verb
Opposite of to spoil or render less pure by adding impurities or other substances
Verb
(usually of a disease or condition) Opposite of to affect adversely
“Eating a healthy and balanced meal will help to protect against all forms of malnutrition.”
Verb
Opposite of to lower in quality or value
“We were able to improve our market share by investing heavily in our marketing and advertising.”
Verb
Opposite of to apply improperly or incorrectly in an almost obscene way
“The citizen has the right to life, liberty, and the pursuit of happiness, but he must honor the laws of his country.”
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