friend of the court

noun

Amicus curiae, a person or organization allowed to argue in court who is not a party to the legal action.

Meanings

nounfriend of the court (plural friends of the court)

plural friends of the court · alternative friend-of-the-court

  1. CanadaUSlawAmicus curiae, a person or organization allowed to argue in court who is not a party to the legal action.

    He did not know whether Mr. Henry appeared as the friend of the Court, or in behalf of the State.

    1867 December 15, “Contempt. Proceedings of the Criminal Court Yesterday”, in The Daily Memphis Avalanche, page 2
    3 more examples

    Finally, the two Third Circuit cases cited by the friends of the Court have, as they themselves say, been legislatively overruled.

    1948, United States Court of Appeals For the Ninth Circuit, No. 12027 Estate of Frank K. Sullivan […] v. Commissioner of Internal Revenue, page 12

    the Union and its affiliates across the nation intervened — through test suits and friend of the court briefs, through educational programs, and through public statements of policy and protest.

    1958 January 2, American Civil Liberties Union, News Release, New York

    Thus far, these pronuclear public interest law firms have usually contributed friend-of-the-court briefs to existing litigation, rather than filing suits themselves.

    1980, Constance Ewing Cook, Nuclear Power and Legal Advocacy, page 23

    Synonyms: amicus, intervenor

Synonyms & antonyms

nounAmicus curiae, a person or organization allowed to argue in court who is not a party to the legal action.

More synonyms by meaning

nounan adviser to the court on some matter of law who is not a party to the case; usually someone who wants to influence the outcome of a lawsuit involving matters of wide public interest

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinamīcus
  2. Englishfriend of the court

Calque of Latin amīcus cūriae.

Full word history & related roots →
Cite this entry
APA

friend of the court. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/friend%20of%20the%20court

MLA

“friend of the court.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/friend%20of%20the%20court. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “friend of the court,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/friend%20of%20the%20court.

Source: friend of the court on Wiktionary, CC BY-SA 4.0.