The antonyms for the word "sanitize" are words that describe the opposite meaning or action of cleansing or disinfecting. Some of these antonyms include pollution, contamination, taint, dirtiness, foulness, and impurity. Instead of removing harmful substances, these words describe a situation where unwanted particles are introduced, and cleanliness is compromised. While sanitizing is essential in preventing the spread of illness and infection, ignoring the opposite actions can lead to severe consequences. Therefore, it's crucial to be aware of antonyms for "sanitize" and take proper measures to maintain a safe and healthy environment.