B2nounpoliticshistory
US/frʌnˈtɪr/
UK/ˈfrʌn.tɪə/
a border between two countries, or the edge of the settled part of a country
In context
Soldiers guarded the frontier between the two countries day and night.
Many families moved to the frontier hoping to find cheap land.
Scientists are pushing back the frontiers of medicine every year.
Words that go with frontier
verb + noun
- cross the frontierThey crossed the frontier on foot at night.
- push back the frontiersThe research pushes back the frontiers of knowledge.
noun + noun
- frontier townThe film is set in a dusty frontier town.
adjective + noun
- the final frontierSpace is often called the final frontier.
noun + preposition
- the frontiers of scienceResearchers are working at the frontiers of science.
- frontier betweenThe frontier between the two states is a river.