Home › Words › M › misperformancemisperformancemisperformance means incorrect performance.EtymologyFrom mis- + performance.nounincorrect performancee.g.“The apraxic-agnosic patient may make errors of action or cognition, but he is not driven into misperformance or miscognition through being the subject of violent deforming forces[…]” — 1973, Oliver Sacks, Awakenings:Definitions & examples from Wiktionary (CC BY-SA 3.0).