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Definitions

groundbreaking

[ground-brey-king] / ˈgraʊndˌbreɪ kɪŋ /
ADJECTIVE
pioneering
Synonyms
Antonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Walker, who was starring on the groundbreaking Norman Lear hit comedy “Good Times,” caught his act.

From Los Angeles Times • Jun. 8, 2026

That project also produced a groundbreaking 2022 paper in the Proceedings of the National Academy of Sciences.

From Science Daily • Jun. 7, 2026

Landing the groundbreaking ride is typically a feat achieved by major park operators such as Disney and Comcast’s Universal Studios, rather than a regional destination like Dollywood.

From The Wall Street Journal • May 30, 2026

It requires extreme faith in the opposite catcher, as much as it does for the individual flipping multiple times over — they even recorded the groundbreaking stunt for posterity’s sake, along with other home videos.

From Los Angeles Times • May 19, 2026

But Ernest’s extroverted enthusiasm and the opportunity to be in on a groundbreaking discovery carried him along, for the moment.

From "Big Science" by Michael Hiltzik




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