overstaffed
🇺🇸
/ˌəʊvərˈstæft/
🇬🇧
/ˌəʊvəˈstɑːft/
A place has more employees than it actually needs to operate efficiently.
The new department store was overstaffed, which led to unnecessary expenses for the company.
新しいデパートは人手が多すぎて、それが会社にとって不要な費用を招いた。