/vɪʃieɪt/ – verb
Definition: 1. làm hư, làm hỏng, làm bẩn;
2. làm mất hiệu lực, làm mất tác dụng, làm mất giá trị pháp lý.
A more throughout explanation: In legal terms, “vitiating” refers to the act of impairing or invalidating something, such as a contract or a legal document, by introducing a defect or flaw that undermines its validity or effectiveness.
Example: The defendant’s attempt to conceal evidence was found to vitiate the validity of the contract.