as in marginal
located at or near a border
a frontier town with a reputation for vice and lawlessness
Synonyms & Similar Words
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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
Synonyms & Similar Words
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
Synonyms & Similar Words
Example Sentences
Examples are automatically compiled from online sources to
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Recent Examples of frontier
Ben Brubaker, Quanta Magazine, 6 Aug. 2025
In 1972, American maverick Bobby Fischer first breached the frontier by winning the world championship at the height of the Cold War.
—Omkar Khandekar, NPR, 5 Aug. 2025
College athletics is undeniably a modern-day Wild West — a frontier of opportunity, risk, money, and power, shaped by fragmented rules and fierce competition.
—Jim Martin, Denver Post, 3 Aug. 2025
The crash sent a plume of smoke thousands of feet over the launch site, which sits on a remote stretch of coastline on Australia's northeastern frontier.
—Eric Berger, ArsTechnica, 1 Aug. 2025
See All Example Sentences for frontier
Noun
Duan instead envisioned grouping neighboring nodes on the frontier into clusters.
—Ben Brubaker, Quanta Magazine, 6 Aug. 2025
In 1972, American maverick Bobby Fischer first breached the frontier by winning the world championship at the height of the Cold War.
—Omkar Khandekar, NPR, 5 Aug. 2025
College athletics is undeniably a modern-day Wild West — a frontier of opportunity, risk, money, and power, shaped by fragmented rules and fierce competition.
—Jim Martin, Denver Post, 3 Aug. 2025
The crash sent a plume of smoke thousands of feet over the launch site, which sits on a remote stretch of coastline on Australia's northeastern frontier.
—Eric Berger, ArsTechnica, 1 Aug. 2025
See All Example Sentences for frontier
Recent Examples of Synonyms for frontier
Adjective
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Obama maintained a cut in the marginal rate of the income tax through the entirety of his first term in office.—
Brian Domitrovic,
Forbes.com,
9 Aug. 2025
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Any on-site base load technology generating energy with lower carbon emissions than the marginal generator should be rewarded — and not slapped with Alternative Compliance Payments.—
Brian Sailer,
Baltimore Sun,
5 Aug. 2025
Noun
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Starbase controversy as officials approve road closures SpaceX conducts Starship test flights from the company's Starbase headquarters in South Texas, located about 23 miles from Brownsville near the U.S.-Mexico border.—
Eric Lagatta,
USA Today,
5 Aug. 2025
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But that was, in part, a product of a post-pandemic flood of migrants through the southern border, and the struggles of many cities to manage so many newcomers at once.—
Benjamin Wallace-Wells,
New Yorker,
5 Aug. 2025
Noun
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Summers in the countryside with him and my grandmother were full of the kinds of adventures usually reserved for boys.—
Tamar Gakharia,
Forbes.com,
5 Aug. 2025
-
After surviving a violent car crash that kills her boyfriend, Laura is immediately taken in by Betty (Barbara Auer), a mysterious middle-aged woman who lives alone in an isolated house in the countryside.—
Jill Goldsmith,
Deadline,
5 Aug. 2025
Noun
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This is higher than the 2.3% rate from a year ago but still well below the official rates set for any country.—
Raul Elizalde,
Forbes.com,
15 Aug. 2025
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Meanwhile, Hoever has made 100 appearances on loan for three clubs in three countries in eight different competitions.—
Steve Madeley,
New York Times,
14 Aug. 2025
Noun
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Similarly, in Anhui Province in eastern China, the city of Hefei has transformed from a poor backwater into a crucial hub for the electric vehicle industry.—
Damien Ma,
Foreign Affairs,
1 July 2025
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The weather service said backwater flooding along the Little Miami, Great Miami and Licking rivers will also result in road closures.—
Quinlan Bentley,
Cincinnati Enquirer,
7 Apr. 2025
Noun
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One is that working class people from the American hinterlands simply lack the time, resources, and networks to gamble on a vocation with so little security.—
Lee Cole
June 17,
Literary Hub,
17 June 2025
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On the opposite shore of the lake, the Venetian denomination Bardolino DOC extends on the morainic hills of the hinterland.—
Elisabetta Tosi,
Forbes.com,
23 June 2025
Noun
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Details about what led up to the shooting in the usually peaceful backcountry remain unclear.—
Karina Tsui,
CNN Money,
3 Aug. 2025
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As a pilot, he’s also flown countless missions at his own expense to aid in firefighting and backcountry search and rescue missions.—
Chris Dorsey,
Forbes.com,
27 July 2025
Noun
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Jablonski tried to run away but fell into some bushes when one of the officers pushed him.—
Angie DiMichele,
Sun Sentinel,
11 Aug. 2025
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As newborns, the 10 puppies were tossed into a bush near the Mission Viejo Animal Service Center.—
Heather McRea,
Oc Register,
3 Aug. 2025
Cite this Entry
“Frontier.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/frontier. Accessed 19 Aug. 2025.
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