mismanage
🇺🇸
/ˌmɪsˈmænɪdʒ/
🇬🇧
/ˌmɪsˈmænɪdʒ/
to handle something in a way that is not effective or successful
The company was mismanaged, leading to its downfall.
会社は管理不善で、それがその没落につながった。