The term "most inoculated" could be substituted with various synonyms depending on the context. In medical or scientific contexts, "most vaccinated" or "most immunized" could be used. In a more general context, "most protected" or "most guarded" could convey a similar meaning. Other potential synonyms include "most shielded", "most fortified", and "most secured". The choice of synonym depends on factors such as intended tone, audience, and specific connotation. Regardless of the chosen synonym, the core idea of being effectively safeguarded against a certain threat remains the same.