frontier
[ fruhn-teer, fron-; also, esp. British, fruhn-teer ]
/ frʌnˈtɪər, frɒn-; also, esp. British, ˈfrʌn tɪər /
noun
the part of a country that borders another country; boundary; border.
the land or territory that forms the furthest extent of a country's settled or inhabited regions.
Often frontiers.
- the limit of knowledge or the most advanced achievement in a particular field: the frontiers of physics.
- an outer limit in a field of endeavor, especially one in which the opportunities for research and development have not been exploited: the frontiers of space exploration.
Mathematics.
boundary(def 2).
adjective
of, relating to, or located on the frontier: a frontier town.
Origin of frontier
synonym study for frontier
1. See
boundary.
OTHER WORDS FROM frontier
fron·tier·less, adjective fron·tier·like, adjective sem·i·fron·tier, noun trans·fron·tier, adjectiveWords nearby frontier
Example sentences from the Web for frontier
British Dictionary definitions for frontier
frontier
/ (ˈfrʌntɪə, frʌnˈtɪə) /
noun
- the region of a country bordering on another or a line, barrier, etc, marking such a boundary
- (as modifier)a frontier post
US and Canadian
- the edge of the settled area of a country
- (as modifier)the frontier spirit
(often plural)
the limit of knowledge in a particular field
the frontiers of physics have been pushed back
Word Origin for frontier
C14: from Old French
frontiere, from
front (in the sense: part which is opposite); see
front