Impracticability

n.	1.	The state or quality of being impracticable; infeasibility.
	2.	An impracticable thing.
	3.	Intractableness; stubbornness.

Noun

1.

impracticability - the quality of not being usable Synonyms: impracticableness Antonyms: practicability, practicableness - the quality of being usable

impracticableness, infeasibility, inutility, practicability, practicableness, unfeasibility, unusefulness, uselessness