Definition of non est factum in English:

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non est factum

Pronunciation: /ˌnɒn ɛst ˈfaktəm/


A plea that a written agreement is invalid because the defendant was mistaken about its character when signing it.
Example sentences
  • It is for the person who has signed a document to show that the transaction which it effects is essentially different from the transaction intended so that the signatory can claim non est factum and say that he did not consent to it.


Latin, literally 'it was not done'.

For editors and proofreaders

Line breaks: non est fac¦tum

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