Impracticably
The Century Dictionary and Cyclopedia
In an impracticable manner.
the GNU version of the Collaborative International Dictionary of English
adverb.
In an impracticable manner.
Wiktionary, Creative Commons Attribution/Share-Alike License
adverb.
In an
impracticable
way.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adverb.
to an impracticable degree
Word Usage
"It occurs to me that the swimsuit is actually impossible, unless it is impracticably (and nastily) stretchy (mmm, Spandex)."