Extremity and Frontier

Extremity noun - A time or state of affairs requiring prompt or decisive action.

Frontier is a synonym for extremity in limit topic. In some cases you can use "Frontier" instead a noun "Extremity", when it comes to topics like boundary, ultimate.

Nearby Words: extreme, extremely, extremist, extremism, extremeness

Frontier noun - A region along the dividing line between two countries.

Extremity is a synonym for frontier in position topic. You can use "Extremity" instead a noun "Frontier".

Nearby Word: frontiersman