Antonyms for the word "most disinfected" would be words that describe something that is not clean, sterile or free from germs. Some examples of antonyms for "most disinfected" include words like grimy, filthy, contaminated, infected, soiled, unhygienic, unsterilized, unsanitary, and dirty. These words all suggest a lack of cleanliness and can be used to describe spaces or objects that are not disinfected properly. While "most disinfected" conveys a sense of cleanliness and safety, its opposite, the antonyms, suggest that there are risks to health and wellbeing that need to be addressed.