- protected from a disease or the like: Measles is rare among immunized patients, especially those who have had two doses of the vaccine.
- exempt, shielded, or protected: Almost all major U.S. and EU passenger airlines are now members of immunized alliances that exempt them from certain antitrust laws.
- having or relating to exemption from criminal prosecution, legal liability, or punishment on certain conditions: Executives of the company were also indicted, but escaped trial after giving immunized testimony against state officials.
