incorrect

/ˌɪnkəˈrɛkt/
adjective
  1. Not correct; wrong or mistaken.
    • It is incorrect to say that the Earth is flat.
    • The answer you gave on the test was incorrect.
    • She realized her assumption about the time was incorrect.
  2. Not in accordance with accepted standards or rules; improper.
    • Wearing jeans to the formal event was considered incorrect attire.
    • The incorrect procedure caused the machine to malfunction.
    • His grammar was incorrect in several places.