ALL meanings of frontier
fron·tier
F f - noun frontier A line or border separating two countries. 1
- noun frontier the part of a country that borders another country; boundary; border. 1
- noun frontier the land or territory that forms the furthest extent of a country's settled or inhabited regions. 1
- noun frontier 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. 1
- noun frontier Mathematics. boundary (def 2). 1
- adjective frontier of, relating to, or located on the frontier: a frontier town. 1
- noun frontier old West 1
- noun frontier country border 1
- noun plural frontier limit of knowledge 1
- countable noun frontier A frontier is a border between two countries. 0
- countable noun frontier When you are talking about the western part of America before the twentieth century, you use frontier to refer to the area beyond the part settled by Europeans. 0
- countable noun frontier The frontiers of something, especially knowledge, are the limits to which it extends. 0
- noun frontier the region of a country bordering on another or a line, barrier, etc, marking such a boundary 0
- noun frontier (as modifier) 0
- noun frontier the edge of the settled area of a country 0
- noun frontier the limit of knowledge in a particular field 0
- noun frontier the border between two countries 0
- noun frontier that part of a settled, civilized country which lies next to an unexplored or undeveloped region 0
- noun frontier the developing, often still uncivilized or lawless, region of a country 0
- noun frontier any new field of learning, thought, etc. or any part of a field that is still incompletely investigated 0
- adjective frontier of, on, or near a frontier 0