What are the opposite words for slipshod?

Slipshod is an adjective that refers to something that is done carelessly or hastily, without attention to detail or quality. It commonly connotes a lack of professionalism or diligence. Some antonyms for slipshod include meticulous, thorough, careful, precise, and diligent. These words describe a high level of attention to detail, and denote the opposite of the hasty, hurried, and substandard work that slipshod implies. Other antonyms for slipshod include conscientious, exacting, rigorous, systematic, and methodical. Using these words to describe work or behavior indicates a focus on high-quality, careful attention to detail that results in a job well done.