Mistakenness is a word that is often used to refer to an error or a mistake. However, there are several synonyms that can be used to express the same meaning. Some of the most commonly used synonyms for mistakenness include misunderstandings, misconceptions, misinterpretations, misconstruals, misjudgments, and errors. Each of these words represents a slightly different shade of meaning but can be used interchangeably depending on the specific context in which they are being used. Regardless of the choice of word, the overall implication is that something was incorrectly understood or interpreted, resulting in a mistake or an error.