groundbreaking

Noun · Adjective
US[ground-brey-king]/ˈɡraʊndˌbreɪkɪŋ/3 syllablesalso [groun-brey-king] /ˈɡraʊnˌbreɪkɪŋ/

Open English WordNet

Noun (1)

  1. the ceremonial breaking of the ground to formally begin a construction projectSynonyms: groundbreaking ceremonyType of ceremony, beginning

Adjective (1)

  1. being or producing something like nothing done or experienced or created before“stylistically innovative works”“innovative members of the artistic community”“a mind so innovational, so original”Synonyms: innovativeinnovationalOpposite unoriginalSimilar original
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onerousadjective

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Webster's Dictionary (1913)

ground′break′ing noun

The ceremonial breaking of the ground to formally begin a construction project. It is sometimes carried out by an official who digs the first spadeful of dirt from the ground, to begin the preparatory excavation work. Syn. — groundbreaking ceremony.

Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54 · with additions: WordNet 1.5

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