Updated on March 16, 2024
| western | The western frontier was a dangerous place in the 1800s. |
| northern | The Chinese government has tightened security along its northern frontier |
| eastern | The eastern frontier of the Roman Empire was marked by the Rhine and Danube rivers. |
| new | We are on the cusp of a new frontier in space exploration. |
| american | The American frontier was a time of great change and opportunity. |
| southern | |
| french | We followed the river for several miles till we reached the french frontier |
| german | I sneaked through the german frontier under cover of darkness. |
| last | Alaska is often called the "last frontier" because of its wild and undeveloped natural beauty. |
| russian | The Russian frontier is vast and unforgiving. |
| indian | The Indian frontier is a complex and ever-changing landscape. |
| spanish | The Spanish frontier is one of the most heavily fortified in Europe. |
| belgian | The Belgian frontier is a line of demarcation between Belgium and its neighboring countries. |
| efficient | The efficient frontier represents the optimal combination of risk and return for a given portfolio. |
| common | The two towns are very close, and they have a common frontier |
| west | The west frontier of the country was under attack. |
| polish | I visited the polish frontier yesterday. |
| whole | The frontier town was small but it attracted people from the whole frontier |
| austrian | I have been following with great attention the course of events on the Austrian frontier |
| chinese | The Chinese frontier is a long and winding one. |
| swiss | The Swiss frontier is heavily patrolled. |
| agricultural | The agricultural frontier is the boundary between cultivated land and uncultivated land. |
| italian | The Italian frontier as fixed by the treaty, was to be the river Var. |
| canadian | Traditionally, the Canadian frontier was defined by the fur trade, but it has since expanded to include many other industries. |
| egyptian | The Egyptian frontier was heavily guarded. |
| turkish | The Turkish frontier was constantly under threat of Russian attack. |
| northwestern | The northwestern frontier of India is marked by the Hindu Kush mountains. |
| persian | |
| afghan | The Afghan frontier is a rugged and mountainous region. |
| roman | The Roman frontier was a complex and ever-changing system of fortifications and settlements. |
| final | Space is the final frontier |
| dutch | The Dutch frontier was crossed by a large body of troops. |
| military | The military frontier was a region of land along the Ottoman border that was defended by a standing army. |
| soviet | The Soviet frontier was heavily guarded. |
| open | The vast, open frontier beckoned to the intrepid explorers. |
| northwest | The northwest frontier is a mountainous region with a long and turbulent history. |
| international | The international frontier between the two countries was closed for several years. |
| portuguese | The Portuguese frontier was crossed by the advancing Spanish army. |
| mexican | The mexican frontier with the United States is 2,000 miles long. |
| northeastern | The Mongolian people gradually expanded their tribes to the northeastern frontier of China. |
| east | The range marked the east frontier of the old Afghan kingdom |
| technological | Researchers at the Massachusetts Institute of Technology are pushing the technological frontier with their latest advancements in artificial intelligence. |
| colonial | Merchants grew wealthy by supplying goods to settlers on the colonial frontier |
| hungarian | |
| syrian | The Syrian frontier was quiet yesterday. |
| wild | The wild frontier lay ahead, beckoning them with its unknown wonders. |
| extreme | Exploring the extreme frontier of the Himalayas was a challenge. |
| scientific | The team's research is at the scientific frontier of a new era in genetic medicine. |
| southwestern | |
| bulgarian | The Bulgarian frontier is heavily guarded. |
| greek | The Greek frontier is heavily guarded. |
| north | The north frontier was guarded by a formidable army. |
| urban | The urban frontier is where the city meets the wilderness. |
| brazilian | The Brazilian frontier is a vast and diverse region, home to a wide range of ecosystems and cultures. |
| prussian | The Prussian frontier was strongly fortified. |
| tibetan | |
| far | Beyond the far frontier explorers discovered a lost civilization. |
| vast | The pioneers trekked into the vast frontier in search of a new life. |
| distant | The pioneer family set out for the distant frontier eager to begin a new life in the untamed wilderness. |
| remote | He had to fly a small plane out to a remote frontier research post. |
| strategic | The strategic frontier defines the maximum potential performance that can be achieved given the available resources. |
| albanian | The Albanian frontier was defended by several Albanian divisions. |
| electronic | The electronic frontier is the constantly expanding realm of cyberspace. |
| bohemian | The bohemian frontier where art and nature collide, is an ethereal realm of creativity and expression. |
| imperial | Merchants and settlers flooded into the imperial frontier eager to exploit the vast and unexplored lands. |
| maritime | The maritime frontier of the country was patrolled by the navy. |
| finnish | Border Control fired gunshots at the Finnish frontier and assailants replied with automatic weapons. |
| linguistic | The linguistics of the southern cone of South America exhibit several linguistic frontiers. |
| yugoslav | We arrived at the Yugoslav frontier late in the afternoon. |
| cross | The cross frontier trade between China and Vietnam is booming. |
| exposed | The exposed frontier of the town was under constant threat from bandits. |
| neisse | The Neisse frontier was a provisional boundary between Germany and Poland after World War II. |
| algerian | The Algerian frontier is patrolled by the Gendarmerie Nationale. |
| geographical | The gradual process of colonizing a geographical frontier has been almost continuous. |
| manchurian | The Manchurian frontier was a contested area between Russia and China in the 19th century. |
| rumanian | His house was situated on the plains near the Rumanian frontier |
Click on a letter to browse words starting with that letter