If necessary, tell them you are worried about the state of your shuttle--not an entirely unrealistic concern.

The idea of a counter-attack seemed entirely unrealistic.

He was congratulating himself that his hopes of shaping her into his ideal might not prove entirely unrealistic.

But, he added, "There was very heady talk about Congress running the Government after the election, and it was entirely unrealistic."

At the time this did not appear an entirely unrealistic perspective.

That seems to me to be an entirely unrealistic thing to do.

It would be entirely unrealistic to expect such a thing.

This is entirely unrealistic - where is the investment going to come from?

Therefore, Mr President, insisting on this might bring electoral benefits, but it certainly makes absolutely no sense and is entirely unrealistic.

This is because it's based on an entirely unrealistic model of who people are, and how they come to decisions.