American English

Definition of based adjective from the Oxford Advanced American Dictionary



    [not before noun]
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  1. 1based (on something) if one thing is based on another, it uses it or is developed from it The movie is based on a real-life incident. The report is based on figures from six different European cities.
  2. 2(also in compounds) if a person or business is based in a particular place, that is where they live or work, or where the work of the business is done We're based in Chicago. a Chicago-based company
  3. 3-based (in compounds) containing something as an important part or feature lead-based paints a class-based society see also broad-based
See the Oxford Advanced Learner's Dictionary entry: based