By 2012 half the states were given waivers because the original goal that 100% students by 2014 be deemed "proficient" proved unrealistic.

Hopes of quickly putting them out of business have proven unrealistic, even in places where microfinance institutions are active.

The Chase loan to the conversion sponsor provided for a paydown schedule that proved unrealistic in the market decline.

But even broadcasters who have lobbied strongly for such a plan say the timetable could prove unrealistic.

They considered selling it to a western auto maker, but this proved unrealistic.

Will his hope for a complete game prove unrealistic?

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

In many cases it proved unrealistic to cast aside previously initiated electoral promises.

Hopes that the Federal Government might donate land or a center proved unrealistic.

The aspiration to distance the management of a massive public service of this kind from politics has simply proved unrealistic.