/ɪˌrɪˈdiməbəl/ – Adjective
Definition: Không thể chuộc lại.
A more thorough explanation: 1. if something is irredeemable then it can not be bought back, sold for money, or exchanged for something of equal value
2impossible to improve or change
Example: 1. This is effectively an irredeemable stock issued at a 100 per cent premium.
2. We will close failing schools where we consider the situation to be irredeemable.