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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.

The lives and legacies of Carnegie, Edison, Ford, and Jobs all tell the same story: The U.S. is the world’s best launchpad for groundbreaking entrepreneurs and scalers of new technology.

From Barron's • Apr. 22, 2026

The budget “reinforces U.S. leadership in space science through groundbreaking missions, completed research, and next-generation observatories,” Isaacman wrote.

From Los Angeles Times • Apr. 19, 2026

Their work was just as critical, just as groundbreaking, just as influential as their male counterparts.

From Salon • Apr. 14, 2026

It takes an elusive alchemy of skill, knowledge and resources—with a dash of good luck—to introduce a groundbreaking, or even life-changing, invention to the world.

From The Wall Street Journal • Apr. 12, 2026

In this groundbreaking book, the author tackled many emerging ecological concerns, such as the environmental dangers associated with radiation.

From "An American Plague: The True and Terrifying Story of the Yellow Fever Epidemic of 1793" by Jim Murphy




Vocabulary lists containing groundbreaking