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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.

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

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

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

Isaacson is a so-called super-responder to GLP-1s, and his experience sheds light on how these groundbreaking drugs work differently in different people.

From MarketWatch • May 18, 2026

He wondered if he would be introduced personally to Kimberly Lou Dixon when she came to Coconut Cove to attend the groundbreaking ceremony for the new pancake house.

From "Hoot" by Carl Hiaasen




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