Words similar to frontier

Example sentences for: frontier

How can you use “frontier” in a sentence? Here are some example sentences to help you improve your vocabulary:

The Grahams were enraged by Felsenthal's cold and detailed charting of the psychotic free fall of Katharine's husband, New Deal/New Frontier bright-light Phil Graham.
When it was used, it was used, as Ashley Montagu said, "sotto voce , like a smuggler cautiously making his way across a forbidden frontier."
However, on Saturdays during spring and autumn the landowners open their “frontier” to allow only walkers to go through (even cyclists are prohibited).
Tucson was the frontier fortification of the Mexican state of Sonora until the Gadsden Purchase transferred it to the United States.
He ordered the Pakistani army into the frontier provinces of northwest Pakistan along the Afghan border, where Bin Ladin and Ayman al Zawahiri have reportedly taken refuge.