1. not arranged into a systematic code or collection of laws
Usage: legal
2. not formally organized or systematically arranged

Examples

• The country operates under an uncodified constitution based on traditions and precedents.
• Many workplace policies remain uncodified and rely on informal understanding.
• The uncodified rules of etiquette vary significantly between cultures.
• Britain’s uncodified constitution includes various statutes and conventions.
• The organization’s uncodified practices made it difficult for new employees to understand procedures.
• Uncodified knowledge within the company was passed down through mentorship.