sloppiness
🇺🇸
/ˈslɑːpinəs/
🇬🇧
/ˈslɒpinəs/
When someone does something without being careful or putting in enough effort.
The teacher was disappointed by the sloppiness in the students' homework.
선생님은 학생들의 숙제에서의 대충 대처에 실망했습니다.