unperformance

Etymology

un- + performance

unperformance means failure to perform an act. Lexicurio rates it Rare gem — a strength score of 81 out of 100.

noun

Failure to perform an act.“CONDITION […] is a restraint annexed to a thing, so that by the unperformance the party to it shall receive prejudice and loss, and by the performance, commodity and advantage; […]”