frontier (B2)

noun

Pronunciation: /frʌnˈtɪər/

Definition

The extreme limit of settled land beyond which lies wilderness.

Examples

• The American West was a frontier for settlers in the 19th century.

• Scientists are pushing the frontier of medical research.

• The space race represented a new frontier for humanity.

How to Use frontier

push the frontier (collocation)

To advance the limits of knowledge or development in a particular field. — "This new discovery will push the frontier of our understanding of the universe."

on the frontier (prepositional phrase)

At the edge of exploration, settlement, or development. — "The early colonists lived on the frontier, facing many dangers."

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