Definitions:

1. A person or animal has been given a substance to stimulate the production of antibodies and provide immunity against one or several diseases. ADJECTIVE
   • The vaccinated population showed significantly lower rates of hospitalization.
2. Describes someone who has received a vaccine. ADJECTIVE
   • She was vaccinated against the flu to reduce the risk of getting sick during the winter season.
3. Having been rendered unsusceptible to a disease. ADJECTIVE
   • The vaccinated travellers were allowed to enter the country.

Synonyms:

• immune
• immunized
• inoculated
• protected
• unsusceptible