Meticulous : showing great attention to detail; very careful and precise.Slovenly : careless; excessively casual.Meretricious : apparently attractive but having no real value.Shaggy : (of hair or fur) long, thick, and unkempt.Mutual : (of a feeling or action) experienced or done by each of two or more parties towards the other or others.Antonym of Meticulous is Slovenly