1. having received a vaccine or injection to prevent disease
Usage: medical
2. having been introduced to or protected against something harmful
Usage: figurative

Examples

• All students must be inoculated against measles before enrollment.
• The travelers were inoculated with yellow fever vaccine.
• Children who are properly inoculated rarely contract these diseases.
• The population was inoculated against the epidemic.
• She felt inoculated against criticism after years of experience.
• The team was inoculated against overconfidence by their coach.