rancid
🇺🇸
/ˈrænsɪd/
🇬🇧
/ˈrænsɪd/
having an unpleasant smell or taste, usually because of old or spoiled food
The old butter in the fridge had gone rancid, so it had to be thrown away.
냉장고에 있던 오래된 버터가 썩어버려서 버려야 했다.