General Opposites:
* Neat: This is the most common and general opposite.
* Tidy: Similar to neat, implying orderliness and cleanliness.
* Precise: This emphasizes accuracy and attention to detail.
* Careful: Implies avoiding mistakes and being meticulous.
* Orderly: Refers to a state of being organized and structured.
* Clean: Emphasizes lack of dirt or mess.
Specific Opposites Depending on Context:
* Sloppy handwriting: Legible, neat, clear
* Sloppy work: Meticulous, thorough, accurate
* Sloppy eating: Polite, refined, elegant
* Sloppy dress: Stylish, well-dressed, immaculate
The best opposite word depends on the specific meaning of "sloppy" in the context.