as in borders
a region along the dividing line between two countries
the Apaches were once feared on both sides of the U.S.-Mexico frontier
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Recent Examples of frontiers
Even populous British colonies like Virginia and Pennsylvania grew blurry on their western frontiers, where indistinct borders were protected by a few lonely forts.
—
Daniel Immerwahr, New Yorker, 4 May 2026
But the conventional wisdom that Israel has not been active on the frontiers of public diplomacy simply isn’t true, according to Ilan Manor, a senior lecturer at Ben-Gurion University who has long studied the Foreign Ministry’s online presence.
—Asaf Elia-Shalev, Sun Sentinel, 4 May 2026
The frontiers of materials science, sensing, and engineering offer hope for faster, cheaper, less energy-intensive solutions to this grand challenge.
—Alaina Harkness, Chicago Tribune, 3 May 2026
Decades later, that same organization awarded Huang its highest distinction, the Medal of Honor, for advancing the frontiers of technology.
—Preston Fore, Fortune, 29 Apr. 2026
State Farm sees good reason to push Jake into new frontiers.
—Brian Steinberg, Variety, 13 Apr. 2026
The rooms Rooms in a Four Seasons are never going to push back the frontiers of interior decor.
—Condé Nast, Condé Nast Traveler, 11 Apr. 2026
Space enthusiasts often pitch our future in outer space as an inevitability — the result of an innate human drive to explore and pursue new frontiers.
—Jackie Wattles, CNN Money, 8 Apr. 2026
Metaphorically, frontiers could exist everywhere, as the furthermost limit of human understanding.
—Literary Hub, 1 Apr. 2026
Daniel Immerwahr, New Yorker, 4 May 2026
But the conventional wisdom that Israel has not been active on the frontiers of public diplomacy simply isn’t true, according to Ilan Manor, a senior lecturer at Ben-Gurion University who has long studied the Foreign Ministry’s online presence.
—Asaf Elia-Shalev, Sun Sentinel, 4 May 2026
The frontiers of materials science, sensing, and engineering offer hope for faster, cheaper, less energy-intensive solutions to this grand challenge.
—Alaina Harkness, Chicago Tribune, 3 May 2026
Decades later, that same organization awarded Huang its highest distinction, the Medal of Honor, for advancing the frontiers of technology.
—Preston Fore, Fortune, 29 Apr. 2026
State Farm sees good reason to push Jake into new frontiers.
—Brian Steinberg, Variety, 13 Apr. 2026
The rooms Rooms in a Four Seasons are never going to push back the frontiers of interior decor.
—Condé Nast, Condé Nast Traveler, 11 Apr. 2026
Space enthusiasts often pitch our future in outer space as an inevitability — the result of an innate human drive to explore and pursue new frontiers.
—Jackie Wattles, CNN Money, 8 Apr. 2026
Metaphorically, frontiers could exist everywhere, as the furthermost limit of human understanding.
—Literary Hub, 1 Apr. 2026
Recent Examples of Synonyms for frontiers
borders
Noun
-
Through meditative, cinematic landscapes, THE SANDBOX explores global borders where surveillance and AI shape who lives and who dies.—
Matthew Carey,
Deadline,
6 May 2026
-
The Recovery and Resilience Facility (RRF) was a system of grants and loans set up in 2020 as authorities in the 27 member countries shut borders, imposed lockdowns and scrambled for vaccines to try to stop the spread of the potentially fatal coronavirus.—
ABC News,
ABC News,
6 May 2026
Cite this Entry
“Frontiers.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/frontiers. Accessed 10 May. 2026.
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