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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 island is crosshatched with invisible but palpable frontiers.

From The Wall Street Journal

He has clearly discarded the idea that the U.S. need not concern itself with matters beyond its frontiers.

From The Wall Street Journal

National frontiers could never again be changed by force.

From The Wall Street Journal

For his latest film, the quest for goosebumps took him to the frontier of AI as he followed researchers on an expedition they liken to the discovery of fire and electricity—or the atomic bomb.

From The Wall Street Journal

Rockefeller owned oil wells; Musk has xAI, a frontier AI lab.

From MarketWatch