unwritten Meaning, Definition & Usage

  1. adjective based on custom rather than documentation
    • an unwritten law
    • rites...so ancient that they well might have had their unwritten origins in Aurignacian times"- J.L.T.C.Spence
  2. adjective satellite using speech rather than writing
    oral.
    • an oral tradition
    • an oral agreement
  3. adjective satellite said or done without having been planned or written in advance
    ad-lib; spontaneous.
    • he made a few ad-lib remarks

WordNet


Un*writ"ten adjective
Definitions
  1. Not written; not reduced to writing; oral; as, unwritten agreements.
  2. Containing no writing; blank; as, unwritten paper.

Webster 1913