The quality or state of being unworkable; lack of workableness.(noun)
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Use "unworkableness" in a sentence
"Had not Pia had practical proof of the unworkableness of those theories?"
"But, as I say, this scepticism is often tempered by guesses at a possibly hidden truth, and the confession that this truth may exist reveals the practical unworkableness of the unconditioned system, at least for Dreiser."
"Prussia, the disloyal machinations of the court, the reactionary sentiment of La Vendée, the absolute unworkableness of the new constitution."