Antonyms for the term "becoming infected with" would include words that indicate a lack of contamination or infection. These could include terms such as "immunized," "sterile," "disinfected," "cleansed," "purified," "sanitized," "untouched," "unaffected," "uncontaminated," and "vaccinated." These words suggest the opposite of being exposed to harmful pathogens and instead imply a state of protection, cleanliness, and health. These antonyms are important to know and understand in contexts where disease transmission is a concern, such as in healthcare settings, food preparation areas, and public spaces.