1. to complete a form, document, or space in a careless, messy, or hasty manner without proper attention to detail
He filled in the application sloppily and made several spelling mistakes.
Ele preencheu a candidatura descuidadamente e cometeu vários erros de ortografia.
2. to write or mark something in an untidy way without regard for neatness
She filled in the survey sloppily with barely legible handwriting.
Ela preencheu a pesquisa de forma negligente com caligrafia mal legível.