no one should be judge in his own cause

proverb

One ought not be permitted to decide a case in which one has an interest.

Meanings

proverb
  1. lawOne ought not be permitted to decide a case in which one has an interest.

    Synonyms: no one should be judge in his own case

Synonyms & antonyms

proverbOne ought not be permitted to decide a case in which one has an interest.

Origin

  1. Latinnēmō dēbet esse jūdex in propriā causā
  2. Englishno one should be judge in his own cause

Calque of Latin nēmō dēbet esse jūdex in propriā causā.

Full word history & related roots →
Cite this entry
APA

no one should be judge in his own cause. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/no%20one%20should%20be%20judge%20in%20his%20own%20cause

MLA

“no one should be judge in his own cause.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/no%20one%20should%20be%20judge%20in%20his%20own%20cause. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “no one should be judge in his own cause,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/no%20one%20should%20be%20judge%20in%20his%20own%20cause.

Source: no one should be judge in his own cause on Wiktionary, CC BY-SA 4.0.