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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.

Chief among them is their shared 4,300km border, previously a frontier for insecurity.

From BBC • May 18, 2026

It reflects the enormous risks that frontier AI poses, which neither party has proposed a good model to address.

From The Wall Street Journal • May 18, 2026

“Robotics is the ultimate frontier for what’s possible with AI,” said Ilya Fushman, a partner at venture-capital firm Kleiner Perkins.

From The Wall Street Journal • May 13, 2026

Last week, Akamai said a “leading frontier model provider” has committed $1.8 billion for its cloud infrastructure services, a sign that the AI wave continues to bolster its business.

From Barron's • May 13, 2026

The eastern frontier, where Dacca was located, was fighting for autonomy from the ruling regime in the west.

From "Interpreter of Maladies" by Jhumpa Lahiri




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