So should rival papers, which have been alarmingly comfortable running unsubstantiated allegations.

Unsubstantiated allegations are unlikely to be enough to result in a refusal of money.

As well as genuine nuggets, it contains wild tales and unsubstantiated allegations that we have picked up during the week.

Note, too, that unsubstantiated allegations form a part of many private conversations, including yours and mine.

He has accused the prosecution of using unsubstantiated allegations to prove a 'non-existent argument'.