frontier
noun
the part of a country that borders another country; boundary; border.
frontiers
-
pluralof frontier.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
We choose to reach for new frontiers: in advanced manufacturing and superintelligence; in drones, weapons and warfare; in chips, minerals, cyber and every other domain of human possibility.
From The Wall Street Journal ● Oct. 8, 2026
Although the research focused on two regions of the Amazon, the scientists say its conclusions may also apply to tropical deforestation frontiers elsewhere in the world.
From Science Daily ● Sep. 21, 2026
Actually, I take that back – consulting her most devoted fans will open new frontiers for you.
From Salon ● Aug. 29, 2026
Terry says Qantas is conquering "one of the last frontiers in commercial aviation".
From BBC ● Jun. 26, 2026
This explains the fact that in some places the frontiers between the superstates are arbitrary.
From "1984" by George Orwell
