impracticability n1 : the state of being impracticable
2 : a doctrine in contract law: relief from obligations under a contract may be granted when performance has been rendered excessively difficult, expensive, or harmful by an unforeseen contingency
: a defense to breach of contract on the ground that it has been rendered impracticable called also commercial impracticability impracticability of performance compare frustration impossibility of performance at impossibility NOTE: Under section 2-615 of the Uniform Commercial Code, the impracticability must arise “by the occurrence of contingency the non-occurrence of which was a basic assumption on which the contract was made” or by compliance with the law.
3 : excessive difficulty in carrying out a procedure (as joinder)
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.