IPA: /ˈslɒpɪli/
KK: /ˈslɑpɪli/
In a way that is careless or messy, without attention to detail.
He completed the assignment sloppily, missing many important points.
Sloppily → It is formed from "sloppy" (from the dialectal English "slop", meaning to spill or make a mess) and the suffix "-ly" (meaning in a manner of). The word "sloppily" means in a messy or careless manner.
Think of the word 'sloppy' which relates to making a mess, and remember that 'sloppily' means doing something in a messy way.