frontier
English Dictionary
->
Letter F
-> frontier
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frontier Definition
(n)
a
wilderness
at
the
edge
of
a
settled
area
of
a
country
; "
the
individualism
of
the
frontier
in
Andrew
Jackson
''
s
day
"
(n)
an
international
boundary
or
the
area
(
often
fortified
)
immediately
inside
the
boundary
(n)
an
undeveloped
field
of
study
;
a
topic
inviting
research
and
development
; "
he
worked
at
the
frontier
of
brain
science
"
frontier Synonyms
frontier
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