What is the meaning of mistaken?

verb

• Identify incorrectly.
  • usage: "Don't mistake her for her twin sister"
  • synonyms: mistake, misidentify
• To make a mistake or be incorrect.
  • synonyms: err, mistake, slip

adjective

• Wrong in e. G. Opinion or judgment.
  • usage: "well-meaning but misguided teachers"; "a mistaken belief"; "mistaken identity"
  • synonyms: misguided
• Arising from error.
  • usage: "a false assumption"; "a mistaken view of the situation"
  • synonyms: false