immune
US /ɪˈmjuːn/
UK /ɪˈmjuːn/

1.
resistant to a particular infection or toxin owing to the presence of specific antibodies or sensitized white blood cells.
:
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After getting the vaccine, she became immune to the virus.
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Children often develop natural immunity to common colds.
2.
protected or exempt from something, especially an obligation or penalty.
:
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Diplomats are often immune from prosecution in foreign countries.
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No one is truly immune to criticism.