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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 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

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

The groundbreaking genome sequencing is from a Barbary macaque called Crinkle at Trentham Monkey Forest, Stoke-on-Trent.

From BBC • Apr. 7, 2026

The brand delivered aerodynamically groundbreaking cars in the 1930s and luxurious land yachts in the ‘60s and ‘70s with “Fine Corinthian Leather.”

From The Wall Street Journal • Apr. 4, 2026

Getting hired by the laboratory as a professional mathematician had been an important and groundbreaking stride for the black women— for all of Langley’s women, of course.

From "Hidden Figures" by Margot Lee Shetterly




Vocabulary lists containing groundbreaking