Depolluted means to clean up or remove contaminants from an area or a substance. Its antonyms would be words that convey the opposite meaning, such as "polluted," "contaminated," "dirty," "fouled," "infected," or "spoiled." These words describe an environment or substance that has harmful substances or elements that can pose a danger to human health, animals, or the ecosystem. The opposite of depolluted suggests a situation where the environment is not suitable for human habitation, crops, or livestock, and cleaning or purifying is necessary to make it habitable. In summary, antonyms for depolluted convey a message of dirty, unsafe, or contaminated conditions that need urgent attention to prevent further harm.