as in marginal
located at or near a border
a frontier town with a reputation for vice and lawlessness
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Antonyms & Near Antonyms
1
as in border
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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2
as in countryside
a rural region that forms the edge of the settled or developed part of a country
Alaska has been called America's last frontier
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Examples Sentences
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Recent Examples of frontier
Mike Fleming Jr, Deadline, 7 Jan. 2025
Florida’s coach said his staff, including dozens of support personnel, could navigate the new frontier without additional hiring, if needed.
—Edgar Thompson, Orlando Sentinel, 3 Jan. 2025
This is likely the next frontier of research, says Dr. Shield.
—Cassie Shortsleeve, SELF, 3 Jan. 2025
To outcompete Beijing in military AI, the United States will have to not only push forward the technological frontier but also focus on developing best practices and concepts that will enable the technology’s effective use.
—Sam Bresnick, Foreign Affairs, 31 Dec. 2024
See all Example Sentences for frontier 
Noun
And perhaps the thing about your reach exceeding your grasp, going beyond that frontier and kind of breaking your own sound barrier.
—Mike Fleming Jr, Deadline, 7 Jan. 2025
Florida’s coach said his staff, including dozens of support personnel, could navigate the new frontier without additional hiring, if needed.
—Edgar Thompson, Orlando Sentinel, 3 Jan. 2025
This is likely the next frontier of research, says Dr. Shield.
—Cassie Shortsleeve, SELF, 3 Jan. 2025
To outcompete Beijing in military AI, the United States will have to not only push forward the technological frontier but also focus on developing best practices and concepts that will enable the technology’s effective use.
—Sam Bresnick, Foreign Affairs, 31 Dec. 2024
See all Example Sentences for frontier
Recent Examples of Synonyms for frontier
Adjective
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While many of the tax proposals relate to expirations in the 2017 Trump tax cuts, there’s no mention of the expiring marginal tax rates or standard deduction, suggesting the extensions may be under consideration separately.Tobias Burns, The Hill, 17 Jan. 2025
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President Trump will likely receive a marginal boost, mostly from lukewarm partisans on both sides.Michael Gfoeller And David H. Rundell, Newsweek, 15 Jan. 2025
Noun
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To improve its algorithms, SITA’s model can be updated with information such as interview transcripts, photos, and detailed reporting from border police and other officials.Caitlin Chandler, WIRED, 13 Jan. 2025
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Almost 110,000 unaccompanied migrant children crossed the southern border in fiscal year 2024, according to Customs and Border Protection.Yaakov Katz, Newsweek, 13 Jan. 2025
Noun
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The British royals have celebrated Christmas at their private home in the Norfolk countryside for generations, and fans were heartened to see the tradition continue on the heels of a difficult year in which Charles and Kate were both diagnosed with cancer.Janine Henni, People.com, 9 Jan. 2025
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Pack this one for your next trip to the French countryside.Olivia Young, Travel + Leisure, 8 Jan. 2025
Noun
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Australia is a long way from Nashville, but that hasn’t stopped the Wiggles from saddling up with some country friends for their upcoming album Wiggle Up, Giddy Up!, out March 7.Larisha Paul, Rolling Stone, 10 Jan. 2025
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The geopolitical consequences are profound, especially as a new president prepares to take office: If Russia, or any other country, were found culpable for violent attacks on U.S. government personnel, Washington would likely feel compelled to forcefully respond.Shane Harris, The Atlantic, 10 Jan. 2025
Noun
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Why are the Ukrainians risking lives and resources on a comparatively meaningless action in a sector that’s a relative backwater, when critical Ukrainian strongpoints in eastern Ukraine’s Donetsk Oblast are under relentless Russian assault?David Axe, Forbes, 22 Dec. 2024
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But even as ties have grown in recent years, Washington’s foreign policy establishment still considers Africa to be a strategic backwater.Ken Opalo, Foreign Affairs, 4 Dec. 2024
Noun
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Brody’s characters teem with contradictions and inner hinterlands; patience gives way to explosive anger, smiles curve inward; his brow furrows articulately as any monologue.Wendell Steavenson, Vogue, 5 Jan. 2025
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Globalization creates wealth by enticing dynamic urban centers in richer countries to invest abroad rather than in hinterlands at home.Stephen Kotkin, Foreign Affairs, 14 June 2018
Noun
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Listen to this article The recent series of Santa Ana winds over the past week have resulted in multiple power outages for some San Diego Gas & Electric customers — especially residents in backcountry and East County areas.Rob Nikolewski, San Diego Union-Tribune, 15 Jan. 2025
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Situated in upstate New York between two lakes and ringed by Adirondack mountain peaks, Lake Placid beckons travelers to play outside all winter long with pursuits such as backcountry skiing and snowshoeing, pond hockey, dogsled rides, sledding and ice fishing.Roger Sands, Forbes, 7 Jan. 2025
Noun
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In the Key of Ursa Minor Matthew Tierney Three fake plastic bushes per sill in the mall promenade.Max Ufberg, hazlitt.net, 10 Jan. 2025
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They will be buried together in their garden at home, among the kumquat tree and blueberry bushes, the white azaleas and roses, and the pollinator plants.Emily Cochrane, New York Times, 9 Jan. 2025
Thesaurus Entries Near frontier
Cite this Entry
“Frontier.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/frontier. Accessed 21 Jan. 2025.
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