Even though it is possible to win the mission, it is prohibitively difficult.

Case studies often use one or only a few instances, because collecting and analyzing comprehensive data are prohibitively difficult for large numbers of sites.

First is that budget rules adopted in 1997 make enacting a tax cut prohibitively difficult.

Technically, as the common saying went, nothing was impossible with magic, but in practice some spells were prohibitively difficult.

All of this is not possible in a joint-stock company, or prohibitively difficult.

Furthermore, integrating mobile phones in vehicles may be prohibitively difficult.

She would surely try to arrange something like that, though it was prohibitively difficult under the experienced eye of the Game Computer.

Getting trained humans on site could be prohibitively difficult.

Once that boulder started rolling, it should be prohibitively difficult to stop.

In the winter, large parts of it are prohibitively difficult because of deep snow.