Word.ws English Dictionary

ignorantia juris non excusat

ignorantia juris non excusat phrase: ignorance of the law is not a valid excuse.

Phrase

ignorantia juris non excusat

  1. Ignorance of the law is not a valid excuse.
    • […] it is an offence against the duty of his place, and a forfeiture of his office; though I do believe Dr. Bury did not intend upon this to affront the bishop, but ignorantia juris non excusat; if the law be so, we cannot alter it.1908, “Term. Trin. 6 Will. & Mar. R. B.”, in The English Reports, volume XC: King’s Bench Division (XIX), Edinburgh: William Green & Sons, page 219
    • Dr Killen noted that while ignorantia juris non excusat (ignorance of the low is no excuse) may apply the advice showed that his father, the late Mr G. L. Killen, who was chairman and managing director of Marra at the time, was entitled to believe he was acting lawfully and properly.1979 December 29, Greg Bright, “Pressure off the Stock Exchange”, in The Sydney Morning Herald, number 44,318, page 28

Forms of ignorantia juris non excusat

alternative formignorantia juris neminem excusat
alternative formignorantia legis non excusat
alternative formignorantia legis neminem excusat

Origin of ignorantia juris non excusat

Borrowed from Latin ignōrantia factī excūsat, ignōrantia jūris nōn excūsat (“ignorance of fact excuses, ignorance of law does not excuse”).

Questions about ignorantia juris non excusat

What does ignorantia juris non excusat mean?
Ignorantia juris non excusat means ignorance of the law is not a valid excuse.
What part of speech is ignorantia juris non excusat?
Ignorantia juris non excusat is a phrase.

Words near ignorantia juris non excusat in the dictionary

  1. ignorances
  2. ignorancy
  3. ignorant
  4. ignoranter
  5. ignorantest
  6. ignorantia juris non excusat
  7. Ignorantine
  8. Ignorantines
  9. ignorantism
  10. ignorantisms
  11. ignorantist

Source and license

Adapted from Wiktionary: ignorantia juris non excusat (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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