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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.

Titled “Magnifica Humanitas,” Monday’s encyclical was explicitly inspired by Leo XIII’s groundbreaking 1891 encyclical, “Rerum Novarum,” Latin for “of new things.”

From The Wall Street Journal • May 25, 2026

Our study provides this foundation, and we’re proud that it’s been published in the same journal in which Charles Darwin first shared his groundbreaking ideas.

From Science Daily • May 21, 2026

My inbox started filling up with the supposedly groundbreaking news early Tuesday, breathless news articles about a biological breakthrough that will allow a long-extinct giant bird to walk the Earth in modern times.

From Los Angeles Times • May 21, 2026

The musical, which premiered on Broadway in 1958, was groundbreaking for the way it provided a showcase for Asian American performers.

From Los Angeles Times • May 20, 2026

Then he’d shown the boy a newspaper article about how Lois’s groundbreaking policies had been implemented by dozens of other schools.

From "Not Nothing" by Gayle Forman




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