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Showing results for groundbreaking. Search instead for Arduous-undertaking.
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.

Netflix co-Chief Executive Ted Sarandos introduced Star, who created groundbreaking series including “Beverly Hills, 90210,” “Sex and the City,” “Younger” and “Emily in Paris,” which defined pop culture references for generations of television viewers.

From Los Angeles Times • May 3, 2026

Her accomplishments include leading a groundbreaking campaign to make the city’s community college tuition free.

From Los Angeles Times • May 1, 2026

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

The results are profound: Scientists from around the world used to compete to do their groundbreaking research in the U.S.

From The Wall Street Journal • Apr. 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




Vocabulary lists containing groundbreaking