The doctrine of the Sufis was in diametrical opposition to this.

He was informed that these were in diametrical opposition to those of the Maritime Institute.

What a cruel position to have God's command and God's promise apparently in diametrical opposition!

These two words are brought into diametrical opposition in the text, so that it branches into a two-fold line of thought

At all events he had exposed himself to reproach, by acting in diametrical opposition to the professions of his whole life.