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Showing results for groundbreaking.
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.

A small-cap biotechnology stock was floundering Monday after flaws in a trial design rendered survival data for a groundbreaking cancer drug statistically insignificant.

From Barron's • Apr. 27, 2026

LOS MOCHIS, Mexico — The U.S. ambassador to Mexico, Ronald Johnson, traveled to northwest Sinaloa state last week for what seemed a routine ceremony: The groundbreaking for a factory near the city of Los Mochis.

From Los Angeles Times • Apr. 26, 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

It was her third album, and the first to establish her as a groundbreaking performer on par with her more famous brother, Michael.

From Salon • Apr. 11, 2026

Black people have been imagined in the future, he continued, emphasizing to the actress how important and groundbreaking a fact that was.

From "Hidden Figures" by Margot Lee Shetterly




Vocabulary lists containing groundbreaking