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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.

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

From Science Daily • Jun. 7, 2026

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

"I thank Football Focus for that insight and it was a groundbreaking programme."

From BBC • May 24, 2026

He joined Kleiner in 1980 as a partner and has backed a long list of groundbreaking founders, including those at Alphabet’s Google and at Amazon.com.

From The Wall Street Journal • May 23, 2026

While a daytime television show may not be groundbreaking, I think Ellen is helping to make the world a little bit more tolerant and accepting in her own way.

From "Proud" by Ibtihaj Muhammad




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