guideline Meaning, Definition & Usage

  1. noun a light line that is used in lettering to help align the letters
  2. noun a detailed plan or explanation to guide you in setting standards or determining a course of action
    road map.
    • the president said he had a road map for normalizing relations with Vietnam
  3. noun a rule or principle that provides guidance to appropriate behavior
    rule of thumb; guidepost.

WordNet