immune

Meanings

1. 1
   adj

   Protected against a disease, so you cannot catch it.

   Once you've had chickenpox, you are usually immune to it for life.

2. 2
   adj

   Not affected by something that influences others.

   She seemed immune to criticism and just kept working.

3. 3
   adj

   Protected from a duty or punishment that normally applies; exempt.

   As a diplomat, he was immune from prosecution.

4. 4
   adj

   Relating to the body's defense system against disease.

   A healthy diet helps support the immune system.

From Middle English, from Middle French immun, from Latin immūnis (“exempt from public service”), from in- (“not”) + mūnus (“service”).

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