immunity

[ih-myoo-ni-tee]
noun, plural immunities.
1.
the state of being immune from or insusceptible to a particular disease or the like.
2.
the condition that permits either natural or acquired resistance to disease.
3.
the ability of a cell to react immunologically in the presence of an antigen.
4.
exemption from any natural or usual liability.
5.
exemption from obligation, service, duty, or liability to taxation, jurisdiction, etc.: The ambassador claimed diplomatic immunity when they arrested him for reckless driving.
6.
Law. exemption from criminal prosecution or legal liability or punishment on certain conditions.
7.
special privilege.
8.
Ecclesiastical.
a.
the exemption of ecclesiastical persons and things from secular or civil liabilities, duties, and burdens.
b.
a particular exemption of this kind.

Origin:
1350–1400; Middle English immunite < Latin immūnitās. See immune, -ity

hyperimmunity, noun
nonimmunity, noun, plural nonimmunities.
self-immunity, noun, plural self-immunities.

immunity, impunity.


4. See exemption. 5. franchise, license, liberty, prerogative.


1. susceptibility. 4, 5. liability.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To immunities
Collins
World English Dictionary
immunity (ɪˈmjuːnɪtɪ)
 
n , pl -ties
1.  acquired immunity See also natural immunity the ability of an organism to resist disease, either through the activities of specialized blood cells or antibodies produced by them in response to natural exposure or inoculation (active immunity) or by the injection of antiserum or the transfer of antibodies from a mother to her baby via the placenta or breast milk (passive immunity)
2.  freedom from obligation or duty, esp exemption from tax, duty, legal liability, etc
3.  any special privilege granting immunity
4.  the exemption of ecclesiastical persons or property from various civil obligations or liabilities

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

immunity
1382, "exempt from service or obligation," from L. immunitatem (nom. immunitas) "exemption from performing public service or charge," from immunis "exempt, free," from in- "not" + munis "performing services" (cf. municipal), from PIE *moi-n-es-, suffixed form of base
*mei- "to change" (see mutable). Medical sense "protection from disease" is 1879 from Fr. or Ger.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

immunity im·mu·ni·ty (ĭ-myōō'nĭ-tē)
n.

  1. The quality or condition of being immune.

  2. Inherited, acquired, or induced resistance to infection by a specific pathogen.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
immunity   (ĭ-my'nĭ-tē)  Pronunciation Key 
The protection of the body from a disease caused by an infectious agent, such as a bacterium or virus. Immunity may be natural (that is, inherited) or acquired. See also acquired immunity.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
American Heritage
Cultural Dictionary

immunity definition


The ability of the body to resist or fight off infection and disease.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Example sentences
While some individuals build up immunities from multiple exposures to an
  allergen, others will develop sensitivities.
They moved to cities next to the mines where their immunities no longer
  provided protection against tropical diseases.
Her first term also brought in significant changes to laws regarding the closed
  shop and the legal immunities of trade unions.
As a result, personal immunities such as qualified immunity are unavailable to
  these defendants.
Related Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature