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
Examples of immunity in a sentence
They have developed immunity to the virus.
They have developed an immunity to the virus.
First Known Use of immunity
IMMUNITY Defined for English Language Learners
Definition of immunity for English Language Learners
medical : the power to keep yourself from being affected by a disease
: special protection from what is required for most people by law
IMMUNITY Defined for Kids
Definition of immunity for Students
1 : freedom from an obligation or penalty to which others are subject <immunity from punishment>
2 : the power to resist infection whether natural or acquired (as by vaccination)
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
Legal Definition of immunity
1 : exemption from a duty or liability that is granted by law to a person or class of persons <a defendant may not take the stand in his own behalf and then claim immunity from cross-examination — W. R. LaFave and A. W. Scott, Jr.>; also : the affirmative defense of having such an exemption absolute immunity : immunity from all personal civil liability without limits or conditions (as a requirement of good faith) — compare qualified immunity in this entry charitable immunity : immunity from civil liability especially for negligent torts that is granted to a charitable or nonprofit organization (as a hospital) constitutional immunity : immunity (as from a tax) that is granted or created by a constitution (as the U.S. Constitution) corporate immunity : immunity from personal liability for tortious acts that is granted to an officer of a corporation who acted in good faith and within the course of his or her duties — see also business judgment rule — compare pierce diplomatic immunity : immunity (as from taxes or prosecution) granted to a diplomat discovery immunity : immunity 2 discretionary immunity : qualified immunity from civil liability for tortious acts or omissions that arise from a government employee's discretionary acts performed as part of the employee's duties — see also the Federal Tort Claims Act Editor's note: The Federal Tort Claims Act includes an additional requirement of acting in good faith for the discretionary immunity granted to the federal government. executive immunity : immunity granted to officers of the executive branch of government from personal liability for tortious acts or omissions done in the course of carrying out their duties Editor's note: While the president's executive immunity is absolute, the immunity of other federal executive officials is qualified. governmental immunity : discretionary immunity granted to a governmental unit (as an agency) or its employees; broadly : sovereign immunity in this entry judicial immunity : absolute immunity from civil liability that is granted to judges and other court officers (as prosecutors and grand juries) and quasi-judicial officials for tortious acts or omissions done within the scope of their jurisdiction or authority legislative immunity : absolute immunity from civil liability that is granted to legislators for tortious acts or omissions done in the course of legislative activities — see also speech or debate clause official immunity : discretionary immunity from personal liability that is granted to public officers for tortious acts and omissions — compare governmental immunity in this entry qualified immunity : immunity from civil liability that is conditioned or limited (as by a requirement of good faith or due care); specifically : official immunity from damages for acts that violate another's civil rights that is granted if it can be shown that the acts do not violate clearly established statutory or constitutional rights of which a reasonable person would be aware — see also Civil Rights Act sovereign immunity : the absolute immunity of a sovereign government (as a state) from being sued — see also Federal Tort Claims Act Editor's note: For an action to be brought against a state or the federal government, sovereign immunity must be waived by the government. transactional immunity \tran-ˈzak-shə-nəl-, -ˈsak-\ : immunity from criminal prosecution granted to a witness for an offense related to his or her compelled testimony — see also use immunity in this entry use immunity : immunity granted to a witness in a criminal case that prevents the use of the witness's compelled testimony against that witness in a criminal prosecution Editor's note: Transactional and use immunity are granted to preserve the constitutional protection against self-incrimination. The states grant either form of this immunity, while the federal government grants only use immunity. A witness with use immunity may still be prosecuted, but only based on evidence not gathered from the protected testimony.
2 : a usually statutory prohibition that excludes specific documents or information from discovery —called also discovery immunity
Origin and Etymology of immunity
Latin immunitas, from immunis exempt from public service, exempt, from in- non- + -munis (from munia services)
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