Examples of use of gruelling
1. The gruelling experience left the teacher shattered.
2. Gruelling race Mr Warren and Mr Barrett are not the first crew to get into difficulty during the gruelling race, which is now in its 53rd day.
3. When I came out, I had weeks of gruelling physiotherapy.
4. Goaded, she embarked on a gruelling therapy involving mountains of vegetables.
5. Winter elections are rare in Canada, making this campaign unusually gruelling.