Antonyms
Synonyms
Etymology

1. frontier

noun. ['frənˈtɪr'] a wilderness at the edge of a settled area of a country.

Synonyms

Etymology

  • frontier (English)
  • fronter (Old French (842-ca. 1400))
  • front (Old French (842-ca. 1400))

2. frontier

noun. ['frənˈtɪr'] an international boundary or the area (often fortified) immediately inside the boundary.

Synonyms

Etymology

  • frontier (English)
  • fronter (Old French (842-ca. 1400))
  • front (Old French (842-ca. 1400))

3. frontier

noun. ['frənˈtɪr'] an undeveloped field of study; a topic inviting research and development.

Etymology

  • frontier (English)
  • fronter (Old French (842-ca. 1400))
  • front (Old French (842-ca. 1400))
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