Definition of Frontier
Frontier
fron·tier
Definition/Meaning
(noun)
a border or stronghold between two countries;
e.g. The frontier is all that stands between civilization and the wild.
(noun)
the farthermost limits of knowledge or achievement in a particular subject;
e.g. They were at the frontier of a breakthrough in their scientific research.
(noun)
a line of division between different or opposed things;
e.g. There was a frontier between his job and pay rate.
(noun)
a new field for exploitative or developmental activity;
e.g. Humans are the frontier between what is and is not known in the world.
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