frontiers

NOUN

boundary

Synonyms

STRONG

borderland borderline bound confines edge limit march perimeter verge

Antonyms

STRONG

center inside interior middle

WEAK

metropolis

NOUN

unexplored, unoccupied area of land

Synonyms

STRONG

backwater backwoods boondocks bush hinterland outback outskirts sticks unknown

WEAK

backcountry boonies

Antonyms

WEAK

metropolis

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.

See Examples For:

frontiers

In other words, if you want to be inspired by the frontiers of automotive engineering and solutions-based product design, look to China.

From The Wall Street Journal ● Jul. 11, 2026

Terry says Qantas is conquering "one of the last frontiers in commercial aviation".

From BBC ● Jun. 26, 2026

After IBM’s Deep Blue supercomputer scored a landmark victory over chess champion Garry Kasparov in 1997, researchers sought new simulations to push the frontiers of machine intelligence.

From MarketWatch ● May 23, 2026

"This study opens up new frontiers in research on human evolution," adds Professor Eleanor Scerri of the Max Planck Institute of Geoanthropology, also senior author of the study.

From Science Daily ● May 3, 2026

This explains the fact that in some places the frontiers between the superstates are arbitrary.

From "1984" by George Orwell