1. In an incorrect manner
   - falsely 
2. In an inaccurate manner
   "he decided to reveal the details only after other sources had reported them incorrectly"
   - wrongly, wrong, fallaciously

See also: incorrect

Antonym: correctly

• unobservant
• unobserved
• unobserved fire
• unobstructed
• unobtainable
• unobtrusive
• unobtrusively
• unobtrusiveness
• unobvious
• unoccupied
• unoffending
• unofficial
• unofficially
• unoiled
• unopen
• unopened
• unopposable
• unopposed
• unordered
• unorganised
• unorganized
• unoriented
• unoriginal
• unoriginality
• unoriginally