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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.

CEO George Kurtz said in a statement that in the first quarter, “the worlds of cybersecurity and frontier AI collided.”

From MarketWatch • Jun. 4, 2026

The “latest advancements at the AI frontier have increased the level of urgency around cybersecurity,” Palo Alto Networks’ CEO said.

From The Wall Street Journal • Jun. 3, 2026

Bhatia said India has three broad interests in Myanmar: stability along its north-eastern frontier, the success of its Act East policy and managing the strategic implications of China's growing influence in the country.

From BBC • Jun. 2, 2026

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

I turn behind me to look at the wagon heading to Nicodemus, another frontier town just like Summerland.

From "Dread Nation" by Justina Ireland




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