immunity
Definitions
The ability of an organism to resist a particular infection or toxin by the action of specific antibodies or sensitized white blood cells.
Exemption or protection from a penalty, legal requirement, or other undesirable influence.
Examples
Vaccines help the body build immunity against various infectious diseases.
The witness was granted immunity from prosecution in exchange for his testimony.
Synonyms
exemption resistance impunity protection safeguard invulnerability clearance
Antonyms
vulnerability susceptibility exposure liability sensitivity weakness defenselessness