adverb (r)

• in an incorrect manner(adv.all)

  Synonym:
  falsely
  

  source: wordnet30
• in an inaccurate manner(adv.all)

  Example:
  He decided to reveal the details only after other sources had reported them incorrectly.
  

  Synonym:
  faultily, inaccurately, wrong, wrongly
  Antonym:
  aright, correctly, right
  

  source: wordnet30
• Not correctly; inaccurately; not exactly; as, a writing incorrectly copied; testimony incorrectly stated.(adverb)

  source: webster1913