1. most careless or untidy in appearance, work, or behavior
Usage: superlative form of sloppy
2. most wet and messy
Usage: superlative form of sloppy

Examples

• His room was the sloppiest I had ever seen.
• She turned in the sloppiest homework assignment of the semester.
• The sloppiest eater at the table got food all over his shirt.
• After the rain, our backyard became the sloppiest mess.
• The sloppiest painter in class splattered paint everywhere.
• This is the sloppiest handwriting I’ve ever tried to read.