<p><strong>Noun</strong></p><ul><li>an error in action, calculation, opinion, or judgment caused by poor reasoning, carelessness, insufficient knowledge, etc.</li><li>Synonyms: oversight, fault, erratum, inaccuracy.</li><li>a misunderstanding or misconception.</li><li>Antonyms: understanding.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to regard or identify wrongly as something or someone else: I mistook him for the mayor.</li><li>to understand, interpret, or evaluate wrongly; misunderstand; misinterpret.</li><li>Synonyms: err, misjudge, misconceive.</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) to be in error.</li></ul>