frontier.
The part of a country which borders or faces another country or unsettled region.
Meaning & usage
The part of a country which borders or faces another country or unsettled region.
the frontier of civilization
The most advanced or recent version of something; the leading edge.
the frontier of solid state electronics
An outwork of a fortification.
Where this word comes from
From Middle English frounter, from Old French fronter (whence Modern French frontière), from front.
To live as pioneers on frontier territory.
To place on the frontier.
Where this word comes from
From Middle English frounter, from Old French fronter (whence Modern French frontière), from front.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.