Arduous and Stiff

Arduous adjective - Requiring considerable physical or mental effort.

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

Nearby Word: arduously

Stiff adjective - Requiring considerable physical or mental effort.

Arduous is a synonym for stiff in difficult topic. You can use "Arduous" instead an adjective "Stiff", if it concerns topics such as property.

Nearby Words: stiffen, stiffness, stiffed, stiffly, stiffened