Collocations for frontier - noun
1. border between countries
ADJ.
common
Neither country would guarantee the integrity of their common frontier.
Neither country would guarantee the integrity of their common frontier.
eastern, northern, etc.
There were very few border controls on the south-western frontier.
There were very few border controls on the south-western frontier.
Franco-Spanish, Hispano-French, Spanish-French, French, etc.
VERB + FRONTIER
cross
The army crossed the frontier in the middle of the night.
The army crossed the frontier in the middle of the night.
control, defend, guard
The rebels control the frontier and the surrounding area.
The rebels control the frontier and the surrounding area.
FRONTIER + NOUN
controls, post | guard | area, province, region, town, zone | line
PREP.
across the ~
Many people travelling across the frontier were illegal immigrants.
Many people travelling across the frontier were illegal immigrants.
along the ~
an army grouping along the frontier
an army grouping along the frontier
at the ~
There was an army checkpoint at the frontier.
There was an army checkpoint at the frontier.
on the ~
people living on the German frontier
people living on the German frontier
over the ~
They were forced to retreat back over the frontier.
They were forced to retreat back over the frontier.
~ between
the frontier between India and Pakistan
the frontier between India and Pakistan
~ with
France''s frontier with Germany
France''s frontier with Germany
2. border between what we know and do not know
ADJ.
final, new
VERB + FRONTIER
explore
Space is the final frontier for us to explore.
Space is the final frontier for us to explore.
advance, push back
The scientists'' work will push back the frontiers of physics.
The scientists'' work will push back the frontiers of physics.