immunized

American  

[im-yuh-nahyzd] / ˈɪm yəˌnaɪzd /

adjective

1. protected from a disease or the like.

   Measles is rare among immunized patients, especially those who have had two doses of the vaccine.

2. 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.

3. Law. 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.

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Other Word Forms

• nonimmunized
  adjective
• unimmunized
  adjective

Etymology

Origin of immunized

First recorded in 1890–95; immunize ( def. ) + -ed ² ( def. )

Example Sentences

Those who are not immunized or are unsure of their status should monitor themselves closely for signs of infection.

From Los Angeles Times • Feb. 19, 2026

The U.S. recommends youngsters to get immunized against 18 diseases, while Denmark recommends 10.

From The Wall Street Journal • Dec. 19, 2025

Infants were also able to get immunized starting that year through monoclonal antibodies, which aren’t technically vaccines but function similarly in this case.

From Los Angeles Times • Oct. 30, 2025

And very significantly, even if the president is fully immunized against damages, his associates are not.

From Slate • May 21, 2025

Ultimately, I believe that the similarities between these systems of control overwhelm the differences and that mass incarceration, like its predecessors, has been largely immunized from legal challenge.

From "The New Jim Crow" by Michelle Alexander