a person who is an originator, innovator, or pioneer in a particular activity.
an original idea, product, or the like that leads to or makes possible further developments, growth, improvements, etc.

Nearby words

  1. ground-plane aerial,
  2. ground-to-air,
  3. ground-to-ground,
  4. groundage,
  5. groundbait,
  6. groundbreaking,
  7. grounded,
  8. grounder,
  9. groundfire,
  10. groundhog

Origin of groundbreaker Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for groundbreaker