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
Synonyms & Similar Words
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Recent Examples of frontiers
Developing new frontiers of personalization can also be a key strategic differentiator.
—
Noor Lobad,
Footwear News,
26 June 2026
The frontiers Natarajan is most excited about – agentic AI systems that can dramatically improve performance by reframing how problems are solved, and domain-specific reasoning that understands contextual and financial nuance – represent the next phase of innovation.
—
IEEE Spectrum,
25 June 2026
They were supposed to be primed for the 2026 World Cup on home soil and take a program long considered mediocre at the elite world level to new frontiers.
—
Sean Gregory,
Time,
20 June 2026
Beyond the more familiar terrain of diabetics, IVF patients, people using hormone therapy, and intravenous users of illicit drugs, people have been turning themselves into lab rats for new wellness frontiers.
—
Matthew Sedacca,
Curbed,
16 June 2026
The Industrial Revolution that began in Great Britain had distant frontiers.
—
Matthew Wills,
JSTOR Daily,
15 June 2026
In terms of grand-scale event movies that imagined new frontiers, Jurassic Park might sneak into that core group.
—
David Rooney,
HollywoodReporter,
9 June 2026
Startups in China have the advantage of massive state support, in line with the ruling Communist Party’s 2026-2030 five-year plan targeting the frontiers of technology, including advancements of humanoid robots.
—
Chan Ho-Him,
Fortune,
6 June 2026
Some of us said at the time that politicians should use everyday language understood by most people, rather than push into new linguistic frontiers on behalf of progressive activists.
—
Helen Lewis,
The Atlantic,
5 June 2026
Noor Lobad,
Footwear News,
26 June 2026
The frontiers Natarajan is most excited about – agentic AI systems that can dramatically improve performance by reframing how problems are solved, and domain-specific reasoning that understands contextual and financial nuance – represent the next phase of innovation.
—
IEEE Spectrum,
25 June 2026
They were supposed to be primed for the 2026 World Cup on home soil and take a program long considered mediocre at the elite world level to new frontiers.
—
Sean Gregory,
Time,
20 June 2026
Beyond the more familiar terrain of diabetics, IVF patients, people using hormone therapy, and intravenous users of illicit drugs, people have been turning themselves into lab rats for new wellness frontiers.
—
Matthew Sedacca,
Curbed,
16 June 2026
The Industrial Revolution that began in Great Britain had distant frontiers.
—
Matthew Wills,
JSTOR Daily,
15 June 2026
In terms of grand-scale event movies that imagined new frontiers, Jurassic Park might sneak into that core group.
—
David Rooney,
HollywoodReporter,
9 June 2026
Startups in China have the advantage of massive state support, in line with the ruling Communist Party’s 2026-2030 five-year plan targeting the frontiers of technology, including advancements of humanoid robots.
—
Chan Ho-Him,
Fortune,
6 June 2026
Some of us said at the time that politicians should use everyday language understood by most people, rather than push into new linguistic frontiers on behalf of progressive activists.
—
Helen Lewis,
The Atlantic,
5 June 2026
Recent Examples of Synonyms for frontiers
borders
Noun
-
This is a film with genuine heart and authenticity that reflects modern Britain while speaking to audiences far beyond its borders.
-
The United States and the European Union have expressed concern about China’s new ethnic unity law, which went into effect this week and gives Beijing the legal basis to take action against people outside its borders.
Cite this Entry
“Frontiers.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/frontiers. Accessed 6 Jul. 2026.
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