They should be quick to respond to letters to the editor, lest animal rights misinformation go unchallenged and acquire a deceptive appearance of truth.
The men handed themselves into the police after they were sent by the Turkish authorities to the wrong airport and were able to leave the airport unchallenged.
Harry pretended his bad mood had no other cause but the approaching exams, and as his fellow Gryffindors were sick of studying themselves, his excuse went unchallenged.
The first company in history to be worth more than one billion dollars and it will dominate the steel business for almost one hundred years, virtually unchallenged.
16 They should be quick to respond to letters to the editor, lest animal rights misinformation go unchallenged and acquire a deceptive appearance of truth.
While the later Crusades against pagans and other Christian groups continued for a few more centuries, the scope, scale, and impact of the initial Crusades remained unchallenged.