Antonyms for the word "antiseptic" refer to substances or practices that are not used to kill bacteria, viruses, or other microorganisms. Instead of preventing infection, antonyms encourage the growth and spread of bacteria and germs. Some common antonyms for antiseptic include dirty, unclean, contaminated, infected, and unsanitary. These terms describe conditions or materials that can lead to disease and illness, rather than preventing them. For example, a dirty wound can easily become infected if not properly cleaned, disinfected, and covered. In contrast, an antiseptic solution helps to heal wounds and prevent infection. Antonyms for antiseptic remind us of the importance of cleanliness, hygiene, and proper sanitation practices to promote good health and prevent disease.