frontiers

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.

"This study opens up new frontiers in research on human evolution," adds Professor Eleanor Scerri of the Max Planck Institute of Geoanthropology, also senior author of the study.

From Science Daily • May 3, 2026

Pyongyang closed its borders in January 2020 to stop the spread of the coronavirus, with research and media reports indicating that the diplomatically isolated nation spent subsequent years bolstering security along its frontiers.

From Barron's • Apr. 28, 2026

From 1754 to 1758, he served his military apprenticeship against the French and their Native American allies on the frontiers of Virginia and Pennsylvania.

From The Wall Street Journal • Apr. 27, 2026

It also snapped up new talent — and new exploration frontiers — when it acquired Hess last year.

From MarketWatch • Mar. 3, 2026

“And if during the night at one of the frontiers the Customs officials should require a piece of luggage to be opened?”

From "Murder on the Orient Express" by Agatha Christie