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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.

The administration wants to gain visibility into frontier capabilities without slowing American labs and advantaging China.

From The Wall Street Journal • Jun. 9, 2026

The collaboration will help Broadcom offer customized accelerators and networking solutions to frontier AI labs like Anthropic and OpenAI.

From Barron's • Jun. 9, 2026

In that environment, the helmets may have been intended for local militias, forces serving the Kingdom of Valencia, or armed groups responsible for defending the region's maritime frontier.

From Science Daily • Jun. 8, 2026

The SpaceX IPO is the biggest sale of its type in history but it's just the first of a slew of mega-sales of shares in the companies at the frontier of the AI economy.

From BBC • Jun. 8, 2026

The supporting cast was mostly disenfranchised Indians, Mexicans, and cowpunchers, all of whom possessed horsemanship and livestock skills honed on the vanishing frontier.

From "Seabiscuit: An American Legend" by Laura Hillenbrand




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