Take a very common instance of this agonizing incompatibility.
The thirst of the snow fields is most agonizing, and can only be likened to the thirst of the desert.
But where was the mother during these fearful and agonizing moments!
Nan, agonizing in her suspense, cried out she must join him and go with him if he went.
The struggle was fearful and agonizing, but the victory ...