사장돼요 · 사장됐어요 · 사장될 거예요 · 사장된 (+noun)
to lie unused, to be shelved, to go to waste
Example
좋은 아이디어가 예산 부족으로 사장되었어요.
A good idea was shelved due to a lack of budget.
Word parts
사 dead+장 store
Literally 'stored dead': kept away where it is never used.
Good to know
Homonym warning: 사장 (社長) is 'company president.' 사장되다 has nothing to do with bosses.