Imperdibility n. : The state or quality of being imperdible.

Example:


Taxonomy
Impossibility, excuse, free encyclopedia, defense, Joey, duty, non-performance, circumstances, paint, criminal defense, Rights of third parties, search, Unsourced, Contract law, the common law, Contract interpretation, areas of law, nonperformance.

Defination from the web:
impossibility, contingency and necessity. This article does not cite any references or sources. ... However, the parties to a contract may choose to ignore impossibility by inserting a hell or high water clause, which mandates that payments ...