invalidate
英[?n'v?l?de?t]
美[?n'v?l?det]
- vt. 使無效；使無價(jià)值
英英釋意
- 1. declare invalid;
- "The contract was annulled"
- "void a plea"
- 2. of cheques or tickets
- 3. show to be invalid
- 4. take away the legal force of or render ineffective;
- "invalidateas a contract"