UNWRITTEN

• (adj.) based on custom rather than documentation

  "an unwritten law", "rites...so ancient that they well might have had their unwritten origins in Aurignacian times"

• (adj.) said or done without having been planned or written in advance

  "he made a few ad-lib remarks"

  synonyms : ad-lib , spontaneous

• (adj.) using speech rather than writing

  "an oral tradition", "an oral agreement"

  synonyms : oral

WordNet® 3.0, © 2006 by Princeton University.

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