Difficult and Fatiguing

Difficult adjective - Requiring considerable physical or mental effort.

Fatiguing is a synonym for difficult in exhausting topic. In some cases you can use "Fatiguing" instead an adjective "Difficult", when it comes to topics like laborious.

Nearby Word: difficulty

Difficult is a synonym for fatiguing in property topic. You can use "Difficult" instead an adjective "Fatiguing", if it concerns topics such as laborious, exhausting.

Nearby Words: fatigue, fatigued