non est factum

phrase

A defence in contract law that allows a signing party to escape performance of an agreement that is fundamentally different from what they intended to execute or sign.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

phrase
  1. lawA defence in contract law that allows a signing party to escape performance of an agreement that is fundamentally different from what they intended to execute or sign.

Origin

Latin, meaning "it is not (his) deed".

Full word history & related roots →
Cite this entry
APA

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

MLA

“non est factum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/non%20est%20factum. Accessed November 5, 2026.

Chicago

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

Source: non est factum on Wiktionary, CC BY-SA 4.0.