Definition of "greenfield" in English

noun

1. (often attributive) A site, to be used for housing or commerce, whose previous use (if any) was agricultural.

   • greenfield development

adjective

1. (software engineering) Of a completely new development, without the need to integrate with legacy systems, etc.

   • a greenfield project

2. (business) Previously untapped; free for the taking.

   • a greenfield market
   • a greenfield sales opportunity