0 in a way that makes you tired and demands great effort and determination: --
a gruellingly difficult dish made with eight kinds of lentils, meat, and oats
It takes gruellingly hard work to reach the top in aerobatics.
a gruellingly thorough interview
Our progress was gruellingly slow in the burning equatorial sunlight.
The number of hours worked each year was gruellingly long by Western European standards.
NYA ORD
European
May 10, 2021
DAGENS ORD
Shimmer
gruellingly