frontiers

plural of frontier
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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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of frontiers Cognitive intelligence could allow Washington to unlock the frontiers of scientific discovery, from materials science to pharmaceuticals. — Niall Ferguson, Foreign Affairs, 20 Oct. 2026 This may become one of the most important frontiers of AI governance. — Nicola Sfondrini, Forbes.com, 16 Oct. 2026 The founders intend to keep testing new frontiers, with one tweak to the company’s leadership ranks. — Brian Steinberg, Variety, 14 Oct. 2026 Sometimes, the company wields similar ingredients and frontiers differently across brands to make an impact. — Noor Lobad, Footwear News, 9 Oct. 2026 Data centers have emerged as a key, contentious campaign issue in Florida’s elections as the industry increasingly looks to Florida as one of its next frontiers. — Claire Heddles, Miami Herald, 9 Oct. 2026 The show explores the rich frontiers of canon, creating narrative threads to expand and accentuate the people, planets, and purpose of the Star trek universe. — Sergio Pereira, Space.com, 26 Sep. 2026 It was named after the Emperor Hadrian, who toured the northern provinces of Germany and Britain in 121–122 to consolidate the empire’s frontiers. — Matthew Wills, JSTOR Daily, 21 Sep. 2026 Pelvic floor training, long shrugged off as a women’s thing, has become one of the more interesting frontiers in men’s health, with real data behind it for erectile function, ejaculation control, bladder issues and post-prostate-surgery recovery. — Samantha Agate, Fort Worth Star-Telegram, 16 Sep. 2026
Recent Examples of Synonyms for frontiers
borders
Noun
  • Meanwhile, North Korea has been adding mines, barbed wire fences, tactical roads, anti-tank walls and other fortifications to what's already one of the world's most heavily armed borders.
    — Arkansas Online, Arkansas Online, 24 Oct. 2026
  • That protects state budgets but leaves businesses within their borders with less money to invest.
    — Rick Lazio, Fortune, 24 Oct. 2026

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Cite this Entry

“Frontiers.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/frontiers. Accessed 28 Oct. 2026.

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