frontier
fron·tier
noun
1.
a wilderness at the edge of a settled area of a country
- “the individualism of the frontier in Andrew Jackson”
2.
an international boundary or the area (often fortified) immediately inside the boundary
3.
an undeveloped field of study; a topic inviting research and development
- “he worked at the frontier of brain science”
Origin
From Middle English frounter, from Old French fronter (whence Modern French frontière), from front.
Phrases
- efficient frontier
- final frontier
- frontier AI
- frontier artificial intelligence
- Frontier County
- frontier orbital
- high frontier
- last frontier
Related words
Word family
Broader terms
Narrower terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.