Antonyms for the word "antisepticize" are words that have opposite meanings to this term. Some of the antonyms for this word are "contaminate," "infect," "pollute," "dirtify," "soil," "taint," and "unclean." These are all words that describe the opposite of cleaning or sterilizing something. Antisepticize is the process of cleaning and disinfecting to prevent infection and the spread of disease. Conversely, antonyms represent actions or conditions that promote decay, disease, and uncleanliness. It is important to know the antonyms for antisepticize to understand the importance of cleaning and disinfecting to prevent the spread of germs and disease.