frontier
/frʌnˈtɪr/
noun
- A border between two countries or regions.
- The soldiers guarded the frontier between the two nations.
- The river marks the natural frontier between the states.
- They built a wall along the frontier to control immigration.
- The edge of a settled area where people begin to live and develop land, especially in American history.
- Pioneers traveled west to settle the American frontier.
- Life on the frontier was harsh and dangerous.
- The frontier offered new opportunities for land and freedom.
- The limit of knowledge or achievement in a particular field.
- Space exploration represents the final frontier for humanity.
- Scientists are pushing the frontier of medical research.
- New technology is expanding the frontier of what is possible.
Antonyms
adjective
- Relating to or located at a frontier.
- They lived in a small frontier town near the border.
- The frontier region had its own unique culture.
- Frontier communities often had to be self-sufficient.
- Innovative or at the leading edge of a field.
- She is a frontier researcher in artificial intelligence.
- Their frontier approach to education has inspired many schools.
- The company is known for its frontier technology in renewable energy.