AskDefine | Define immunity

Dictionary Definition



1 the state of not being susceptible; "unsusceptibility to rust" [syn: unsusceptibility] [ant: susceptibility]
2 (medicine) the condition in which an organism can resist disease [syn: resistance]
3 the quality of being unaffected by something; "immunity to criticism"
4 an act exempting someone; "he was granted immunity from prosecution" [syn: exemption, granting immunity]

User Contributed Dictionary



  • /ɪˈmjuːnəti/, /I"mju:n@ti/


  1. The state of being insusceptible to something.
  2. A resistance to a specific thing.


the quality of being resistant
  • Czech: odolnost, imunita
  • German: Immunität
resistance to a specific thing
  • German: Immunität

Extensive Definition

Immunity may refer to:
  • Immunity (medical), a state of having sufficient biological defenses to avoid infection, disease, or other unwanted biological invasion, and is related to the functions of the immune system
  • Immunity (legal), conferring a status on a person or body that makes that person or body free from otherwise legal obligations such as, for example, liability for damages or punishment for criminal acts
    • Transactional immunity, referring to the inability of the prosecutor to prosecute a witness in exchange for the witness's testimony, an action referred to as "turning state's evidence"
    • Use immunity, under which the government may not use a witness's grand jury testimony to prosecute that person (but if the state acquires evidence for a crime independent of the testimony, the witness can then be prosecuted)
immunity in Czech: Imunita
immunity in German: Immunität
immunity in Spanish: Inmunidad
immunity in French: Immunité
immunity in Italian: Immunità
immunity in Hebrew: חסינות
immunity in Dutch: Immuniteit
immunity in Russian: Иммунитет
immunity in Slovak: Imunita

Synonyms, Antonyms and Related Words

absolution, acquired immunity, active immunity, amnesty, antibody, antigen, artificial immunity, assurance, blank check, carte blanche, charter, clear sailing, congenital immunity, copyright, diplomatic immunity, discharge, dispensation, exception, exclusion, exculpation, excuse, exemption, exoneration, familial immunity, favor, franchise, freedom, grace, grant, harmlessness, immunity theory, immunization, immunization therapy, immunochemistry, immunology, immunotherapy, impunity, indemnity, indulgence, inherent immunity, inherited immunity, inoculation, insusceptibility, invulnerability, legislative immunity, liberty, license, natural immunity, nolle prosequi, non prosequitur, nonprosecution, nonspecific immunity, nonsusceptibility to disease, opsonic immunity, pardon, passive immunity, patch test, patent, permission, phagocytic immunity, privilege, protection, racial immunity, redemption, release, remission, remission of sin, reprieve, resistance, risklessness, safeguard, safeness, safety, scratch test, security, serotherapeutics, serotherapy, serum therapy, shrift, side-chain theory, sparing, special favor, specific immunity, stay, surety, toxin-antitoxin immunity, toxin-antitoxin immunization, tuberculin test, unsusceptibility, vaccination, vaccine therapy, vaccinotherapy, warrant
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