Unchallenged synonyms

The compromise of Aquinas, though not unchallenged, holds the field and that even with Protestants.

In some cases the old name was left unchallenged, e.g.

Bonapartes ascendancy did not pass unchallenged.

This system of geography founded a new epoch, and the book - translated into English, Dutch and French - was the unchallenged standard for more than a century.

Thenceforward the remnant of the Jews who survived the fiery ordeal formed a church rather than a nation or a state, and the Pharisees exercised an unchallenged supremacy.