The antonyms for the word "more disinfectant" include "less disinfectant," "reduced disinfectant," or "fewer disinfectant." These antonyms imply a decrease in the amount or concentration of disinfectant being used. Other antonyms for disinfectant are "unclean," "dirty," or "contaminated," which symbolize a lack of clean or sterile conditions. Disinfectants are essential in maintaining a healthy and hygienic environment, especially in places like hospitals, laboratories, and food processing plants. However, excessive use or overuse of disinfectants can lead to negative effects such as skin irritation, respiratory illnesses, and antimicrobial resistance. Therefore, it is necessary to strike a balance between disinfection and safety.