What is the meaning of frontier?

noun

  • A wilderness at the edge of a settled area of a country.
    • usage: "the individualism of the frontier in Andrew Jackson's day"
  • An international boundary or the area (often fortified) immediately inside the boundary.
  • An undeveloped field of study; a topic inviting research and development.
    • usage: "he worked at the frontier of brain science"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). frontier. Retrieved September 20, 2026, from http://smartdefine.org/frontier/definitions/1214857
ChicagoWordNet. 2010. "frontier" http://smartdefine.org/frontier/definitions/1214857 (accessed September 20, 2026).
HarvardWordNet 2010, frontier, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/frontier/definitions/1214857>.
MLAWordNet. "frontier" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/frontier/definitions/1214857>
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