supplemental jurisdiction

noun

The authority of United States federal courts to hear additional claims substantially related to an original claim, even though the court would lack the subject-matter jurisdiction to hear the additional claims independently.

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Meanings

nounsupplemental jurisdiction (uncountable)
  1. USuncountablelawThe authority of United States federal courts to hear additional claims substantially related to an original claim, even though the court would lack the subject-matter jurisdiction to hear the additional claims independently.
Cite this entry
APA

supplemental jurisdiction. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/supplemental%20jurisdiction

MLA

“supplemental jurisdiction.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/supplemental%20jurisdiction. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “supplemental jurisdiction,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/supplemental%20jurisdiction.

Source: supplemental jurisdiction on Wiktionary, CC BY-SA 4.0.