English to English

verb (v)

• to make a mistake or be incorrect(verb.cognition)

  Synonym:
  mistake, slip
  

  source: wordnet30
• wander from a direct course or at random(verb.motion)

  Synonym:
  drift, stray
  

  source: wordnet30
• To wander; to roam; to stray.(verb)

  source: webster1913