Sort of rule you can't look up? - Crossword Clue

Crossword Clue Last Updated: 17/06/2019

Below are possible answers for the crossword clue Sort of rule you can't look up?.

9 letter answer(s) to sort of rule you can't look up?

UNWRITTEN
  1. 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. said or done without having been planned or written in advance; "he made a few ad-lib remarks"
  3. using speech rather than writing; "an oral tradition"; "an oral agreement"

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