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Meaning ofgroundbreakingin English

groundbreaking

us//ˈgraʊndˌbreɪkɪŋ//uk//ˈgraʊndˌbreɪkɪŋ//

Definitions

Adjective
1. introducing new ideas; innovative
  The company's groundbreaking technology changed the industry.
Noun
1. a ceremony marking construction start
  The groundbreaking ceremony for the new building was attended by local officials.
2. the beginning of building work
  The construction team began the groundbreaking for the new hospital.