We're working on a new site. Click here to get a sneak preview.
Medical Dictionary


noun im·mu·ni·ty \im-ˈyü-nət-ē\
plural im·mu·ni·ties

Medical Definition of IMMUNITY

:  the quality or state of being immune; especially :  a condition of being able to resist a particular disease especially through preventing development of a pathogenic microorganism or by counteracting the effects of its products—see acquired immunity, active immunity, natural immunity, passive immunity
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears