unwritten

Not written or recorded.

Having authority based on custom, tradition, or usage rather than doctrine.

Not written on; blank.

Not written; not reduced to writing; oral; traditional: as, unwritten laws; unwritten customs.

Not written upon; blank; containing no writing.

Not distinctly expressed, laid down, or formulated, but generally understood and acknowledged as binding: as, an unwritten rule; an unwritten constitution.

Not written; not reduced to writing; oral.

Containing no writing; blank.

such doctrines as have been handed down by word of mouth; oral or traditional doctrines.

That part of the law of England and of the United States which is not derived from express legislative enactment, or at least from any enactment now extant and in force as such. This law is now generally contained in the reports of judicial decisions. See Common law, under Common.