na-adjective
slovenly; slipshod; excessively casual
Describes a person's appearance, behavior, or work as untidy, careless, or overly relaxed. Often carries a negative or critical tone.
彼のぞろっぺいな服装が気になる。
His slovenly clothes bother me.
そんなぞろっぺいなやり方では、いい結果は出ないよ。
You won't get good results with such a slipshod approach.