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Adjective: groundbreaking  'grawnd`brey-king
  1. Being or producing something like nothing done or experienced or created before
    "stylistically groundbreaking works"
    - innovative, innovational, innovatory
Noun: groundbreaking  'grawnd`brey-king
  1. The ceremonial breaking of the ground to formally begin a construction project
    - groundbreaking ceremony

Derived forms: groundbreakings

See also: original

Type of: beginning, ceremony, commencement, start

Encyclopedia: Groundbreaking

Nearest

ground substance
ground swell
ground tackle
ground water
ground wave
ground zero
groundball
groundberry
ground-berry
groundbreaker
groundbreaking
groundbreaking ceremony
ground-controlled approach
groundcover
ground-effect machine
ground-emplaced mine
grounder
groundfish
ground-floor
groundhog
Groundhog Day