Neb. Rev. Stat. § 76-2403: Adverse material fact, defined.

Adverse material fact shall mean a fact which (1) significantly affects the desirability or value of the property to a party and is not reasonably ascertainable or known to a party or (2) establishes a reasonable belief that another party will not be able to, or does not intend to, complete that party's obligations under a contract creating an interest in real property.