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
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Recent Examples of frontier
Miami Herald, 7 July 2025
In June 1983, Sally Ride became the first American woman to reach the final frontier, on the STS-7 mission of the space shuttle Challenger.
—Mike Wall, Space.com, 6 July 2025
After emancipation, many formerly enslaved rural people in Texas moved to urban areas, especially frontier towns like Austin and San Antonio, which were less oppressive than parts of the state such as East Texas.
—Michael Barnes, Austin American Statesman, 2 July 2025
Launched in 2015 as an offshoot of Crystal Farm—the Colorado atelier revered for its bespoke furnishings—Lazy CF Ranch combines frontier spirit with extraordinary durability.
—Robb Report Studio, Robb Report, 2 July 2025
See All Example Sentences for frontier
Noun
But authorities also plan to focus on others who may have committed a crime after becoming citizens — a generally untested legal frontier.
—Miami Herald, 7 July 2025
In June 1983, Sally Ride became the first American woman to reach the final frontier, on the STS-7 mission of the space shuttle Challenger.
—Mike Wall, Space.com, 6 July 2025
After emancipation, many formerly enslaved rural people in Texas moved to urban areas, especially frontier towns like Austin and San Antonio, which were less oppressive than parts of the state such as East Texas.
—Michael Barnes, Austin American Statesman, 2 July 2025
Launched in 2015 as an offshoot of Crystal Farm—the Colorado atelier revered for its bespoke furnishings—Lazy CF Ranch combines frontier spirit with extraordinary durability.
—Robb Report Studio, Robb Report, 2 July 2025
See All Example Sentences for frontier
Recent Examples of Synonyms for frontier
Adjective
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Moreover, if this borrowing crowds out marginal investments in equities or something similar that provides nearly the same after-tax returns, then the benefit is a wash.—
James Broughel,
Forbes.com,
15 July 2025
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At a 12% marginal tax rate, for example, the $6,000 deduction for a single taxpayer who is 65 or older would result in $720 in tax savings, according to Watson.—
Susan Tompor,
Freep.com,
14 July 2025
Noun
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The mock-up movie poster stood out amid a slew of other posts that focused on high-stakes matters such as the Trump Administration’s border patrol policies and the relief efforts for the devastating Texas floods.—
Olivia-Anne Cleary,
Time,
12 July 2025
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Standards and enforcement mechanisms must be coordinated across borders to prevent forum shopping for more permissive venues.—
Cornelia C. Walther,
Forbes.com,
12 July 2025
Noun
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My earliest memories are of a huge accordion in front of me while the musicians, who passed through my house – my father, who was a manager of musicians coming from the countryside of Argentina to Buenos Aires, always hosted them – played and rehearsed nearby.—
DAVID BURKE,
Miami Herald,
9 July 2025
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Set in the Tuscan countryside, Castelfalfi is a medieval village surrounded by vineyards and olive groves.—
Heather Richardson,
Travel + Leisure,
8 July 2025
Noun
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And in some countries, gratuities aren't usually included with credit card charges.—
Brandee Gruener,
Southern Living,
9 July 2025
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All of the other letters were similar, telling countries that the new tariffs were intended to rectify trade imbalances with the U.S. The letter to Brazil, however, was about Brazilian politics.—
Danielle Kurtzleben,
NPR,
9 July 2025
Noun
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Vigilant doctors and public health experts in charge of government policy mostly kept the anti-vaxxers relegated to the darker corners of medical discussion, and later to the backwaters of social media.—
Matt Robison,
MSNBC Newsweek,
8 July 2025
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His fiction is set all over the place—genteel backwaters like Miami, Hollywood, and Atlantic City, with excursions as far afield as the Dominican Republic, Italy, and Israel.—
Anthony Lane,
New Yorker,
30 June 2025
Noun
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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
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The film gathers immoral cops, ruthless women and corrupt politicians to complete the world of populist cinema based in hinterlands of India.—
Sweta Kaushal,
Forbes.com,
14 June 2025
Noun
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Response required sheriff's and medical rescue crews to take 4x4 offroad vehicles on backcountry roads and to then hike a quarter mile up a steep, rugged, remote trail to the scene, near Gold Lake on Little Giant Trail.—
Keith Matheny,
Freep.com,
14 July 2025
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Big Bend National Park is among the best of them, with backcountry camping beneath pristine nightscapes (permit required; from $10 per night) or the popular and peak-flanked Chisos Basin Campground (reservation required; from $16 per night).—
Stephanie Vermillion,
Outside Online,
3 July 2025
Noun
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In 2018, the country industry's Woodlawn Memorial Park Cemetery in Nashville — the final resting place of George Jones, Tammy Wynette, and Porter Wagoner among many others — created the Lynn Anderson Rose Garden, consisting of over 100 hybrid tea rose bushes.—
Marcus K. Dowling,
The Tennessean,
2 July 2025
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For example, animals learn that a photo of hands (A) is correct when paired with a classroom (B), a classroom (B) is correct when paired with bushes (C), bushes (C) are correct when paired with a highway (D), and a highway (D) is correct when paired with a sunset (E).—
Olga Lazareva,
The Conversation,
1 July 2025
Cite this Entry
“Frontier.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/frontier. Accessed 22 Jul. 2025.
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