Arduous and Rough

Arduous adjective - Requiring considerable physical or mental effort.

Rough is a synonym for arduous in difficult topic. In some cases you can use "Rough" instead an adjective "Arduous", when it comes to topics like heavy.

Nearby Word: arduously

Rough adjective - Requiring considerable physical or mental effort.

Arduous is a synonym for rough in boisterous topic. You can use "Arduous" instead an adjective "Rough", if it concerns topics such as difficult, heavy.

Nearby Words: roughly, roughness, roughen, roughening, roughed