Definition of frontier

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  • frontier is a valid Scrabble US word with a point value of 11
  • frontier is a valid Scrabble UK word with a point value of 11
  • frontier is a valid Words with friends word with a point value of 12

Definition of frontier

  • an international boundary or the area (often fortified) immediately inside the boundary (noun)
  • an undeveloped field of study; a topic inviting research and development (noun)

    Examples

    1. he worked at the frontier of brain science
  • a wilderness at the edge of a settled area of a country (noun)

    Examples

    1. the individualism of the frontier in Andrew Jackson's day

See definition of frontier in Merriam Webster