Gradle may not claim to be a "Groovy DSL" anymore, but they certainly used to. From the overview page at the time of the 1.0 release At the heart of Gradle li

Gradle may not claim to be a "Groovy DSL" anymore, but they certainly used to. From the overview page at the time of the 1.0 release At the heart of Gradle lies a rich extensible Domain Specific Language (DSL) based on Groovy. https://web.archive.org/web/20120724040152/http://www.gradle.org/overview https://web.archive.org/web/20120724040152/http://www.gradle... Now they just call it a "DSL" but also say that a build script is also a Groovy script https://docs.gradle.org/4.0/dsl/ https://docs.gradle.org/4.0/dsl/