unchallenged

Legal experts say the authority claimed by Rubio, left unchallenged, would constitute a major erosion of civil liberties in the United States.

The mass layoffs ordered by the Trump administration have mostly gone unchallenged in the courts because of the civil service laws.

First of all, less than 60 seconds after the restart, Emina Ekic was allowed to run 60 yards unchallenged to slot home the equaliser.

This season, their opponents have been allowed to hold the ball for longer periods unchallenged, giving them time to build their own pre-planned counters.

Andrew Graystone, an advocate for abuse survivors, accused the Church of "shocking arrogance" and said the Synod had "voted for a measure that will leave the power of bishops completely unchanged and unchallenged".