groundbreaking
//ˈɡraʊndˌbreɪkɪŋ//
Adjective
groundbreakingCanonical form
more groundbreakingComparative
most groundbreakingSuperlative
1
Introducing new ideas or methods; innovative and pioneering.
The scientist made a groundbreaking discovery that changed medicine forever.
2
Relating to the ceremonial breaking of ground to begin construction of a building or project.
The mayor attended the groundbreaking ceremony for the new library.