Definition of "free-form"

free-form

adjective
comparative more free-form, superlative most free-form
1. Having an unconventional, variable or asymmetric form.
  Quotations
  This annual March gathering of the digital elite, held at a resort near Tucson, is a combination of a three-day free-form think tank and schmooze-athon where the latest trends are dissected and, in the corridors or on the golf course, deals are hatched.
  1996 April 15, Amy Cortese, Amy Barrett, Paul Eng, and Linda Himelstein, “The Online World of Steve Case”, in BusinessWeek‎
2. (roleplaying games) Referring to a roleplaying game which does not use a formal system of rules.
noun
plural free-forms
1. A free-form shape or artwork.
  Quotations
  The background shapes are also called 'negative' shapes and are found between the positive shapes – in this case, the rectangles, triangles, circles and freeforms.
  2014, Laura Reiter, Beginner's Guide to Abstract Art