This is still impracticably high.    From Wordnet, Princeton University. 

Adjective : an impracticable plan.    From Dictionary.com. 

He never gave a partial decision, nor a decision so impracticably just that it must lead to disorder.    From Wordnik.com.  [Seven Pillars of Wisdom] Reference

It occurs to me that the swimsuit is actually impossible, unless it is impracticably (and nastily) stretchy (mmm, Spandex).    From Wordnik.com.  [Monte Carlo Resort: World's Worst Hitchhiker] Reference

Lawyers had criticized the provision as impracticably vague because it is possible to define an individual market in many different ways.    From Wordnik.com.  [China's Antitrust Rules] Reference

The stitches may vary in length, they must neither be impracticably long nor, on the other hand, too much cut up, lest the silky effect be partly lost.    From Wordnik.com.  [Embroidery and Tapestry Weaving] Reference

He even suggested, impracticably, a rest day prior to the final.    From Wordnik.com.  [The Guardian World News] Reference

He was just as impracticably courteous as his father and Lady Price shrugged her shoulders and hoped.    From Wordnik.com.  [The Pillars of the House, V1] Reference

Secundus was a man of impracticably brutal character, who was determined to carry out his instructions to the letter.    From Wordnik.com.  [Gathering Clouds: A Tale of the Days of St. Chrysostom] Reference

Men were absurd in many ways; lovably like Jasper, impracticably like her father, odiously like that grotesquely supine creature in the chair.    From Wordnik.com.  ['Twixt Land and Sea] Reference

As the rest of the island seems impracticably swampy, this checked our reconnoissance; but there can be little doubt the rebels are evacuating.    From Wordnik.com.  [Military Reminiscences of the Civil War, Volume 2 November 1863-June 1865] Reference

St.C. Well, now and then one, whom nature makes so impracticably simple, truthful and faithful, that the worst possible influence can't destroy it.    From Wordnik.com.  [The Christian Slave: A Drama] Reference

Bountiful, formica picrasma has discursively doubting it impracticably shaven for any anopheles to variorum a barometrical fullback at a unconquerable espalier.    From Wordnik.com.  [Rational Review] Reference

The space was almost impracticably small; and the Irish wenches combined the extreme of bashfulness about this innocent display with a surprising impudence and roughness of address.    From Wordnik.com.  [Essays of Travel] Reference

Quite - and the result of the tests was that the required shielding was impracticably heavy, even for a military-standard protection level which would obviously be lower than civilian.    From Wordnik.com.  [Blah, Blah! Technology] Reference

And, mind you, there is something very heroic -- very impracticably heroic, but magnanimous all the same -- in your idea that you might abandon all the popularity and position you have won as a mere matter of sentiment.    From Wordnik.com.  [Prince Fortunatus] Reference

It doesn’t strike me as impracticably radical, taken on its own terms.    From Wordnik.com.  [Why I still more-or-less support same-sex marriage] Reference

The city planners involved in the process state that the reasons for these decisions were entirely non-discriminatory - an overpass would have required the purchase of land currently owned and operated by homeowners, and hence added significantly to project costs; moving the bus stop would have constituted a traffic hazard; and routing a bus through the mall would have impracticably lengthened travel times on the bus for Hardsville residents traveling to and from the city center.    From Wordnik.com.  [Sweetness & Light] Reference

"Well, now and then one, whom Nature makes so impracticably simple, truthful and faithful, that the worst possible influence can't destroy it.    From Wordnik.com.  [Uncle Tom's Cabin] Reference