Rugged and Rigorous

Rugged adjective - Difficult to endure.

Rigorous is a synonym for rugged in difficult topic. In some cases you can use "Rigorous" instead an adjective "Rugged", when it comes to topics like severe, austere.

Nearby Words: ruggedly, rugger

Rigorous adjective - Requiring considerable physical or mental effort.

Rugged is a synonym for rigorous in severe topic. Sometimes you can use "Rugged" instead an adjective "Rigorous".

Nearby Words: rigorously, rigor, rigour, rigorism