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Definitions

frontier

[fruhn-teer, fron-, fruhn-teer] / frʌnˈtɪər, frɒn-, ˈfrʌn tɪər /




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In the model, the “availability” phase entailed contact and small-scale movements across the frontier, with trading relationships and marriage alliances, for example, forming gradually.

From Science Daily • May 30, 2026

Battery energy storage systems—which store electricity and release it when needed—could be the next frontier, seeing as they are a critical enabler of renewable energy generation.

From Barron's • May 29, 2026

Several times a day, sirens sound in these frontier communities, warning of a drone crossing the border from Lebanon.

From BBC • May 28, 2026

That will provide a revenue boost to SpaceX’s money-losing AI business, but also sends an interesting signal—that the famously risk-tolerant Musk feels frontier AI is a bet worth hedging on.

From The Wall Street Journal • May 27, 2026

A myth of what the frontier had been, the Wild West legend, was taking hold in the popular imagination, and it would not be long before people defined Smith by it.

From "Seabiscuit: An American Legend" by Laura Hillenbrand




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