unfitness

This shows the utter unfitness of the pozzolana beds in which the arenaria are excavated for the construction of the Catacombs.

Is this no evidence of the unfitness of the African for civilization?

The main effort should convince the President of the unfitness of one candidate and the fitness of the other.

You would also be saved the pain of rejecting servants to their faces, on the ground of "greenness," or bodily unfitness.

Yet there were many sources of weakness in the scheme of government—divided authority, absenteeism, personal unfitness.