Definitions:

1. (of real estate) made more useful and profitable as by building or laying out roads adjective
   • condominiums were built on the developed site
2. (used of societies) having high industrial development adjective
   • developed countries
3. being changed over time so as to be e.g. stronger or more complete or more useful adjective
   • the developed qualities of the Hellenic outlook

Synonyms:

• highly-developed