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frontier
Noun
Meaning
• A
line
or
border
separating two countries.
• The
extreme
limit
of settled
land
beyond which lies
wilderness
.
Examples
• They lived near the country's
frontier
.
• The pioneers headed toward the
western
frontier
.
•
Space
is considered the
final
frontier
.
Add
frontier
Noun
Meaning
• A
line
or
border
separating two countries.
• The
extreme
limit
of settled
land
beyond which lies
wilderness
.
Examples
• They lived near the country's
frontier
.
• The pioneers headed toward the
western
frontier
.
•
Space
is considered the
final
frontier
.