The absence of such a provision made withdrawal technically difficult but not impossible. He was forced to wear leg braces which made walking difficult and running nearly impossible. There's something that is impossible to erase. The whole thing is utterly impossible and utterly fascinating. This is almost impossible to find. Insufficient information seemed to make vision impossible. The tests were written in such a way to make them nearly impossible to pass. In its few uses as a bomber it proved to be nearly impossible to intercept. This would make creating two unit squares out of one impossible. Deakin often had to reconcile differences and find ways out of apparently impossible difficulties. This adds further difficulty to an almost impossible race. The concept was judged by some as clumsy, primitive, technically impossible and, simply, wrong. Jurists developed various restrictions which in many cases made them virtually impossible to apply. The original is subsumed by an alien copy that is virtually impossible to identify. Linda is notable for her exceptional sniping skills and ability to make seemingly impossible shots.