English主要词典
nullify
Universal Words
verb (nullifies, nullifying, nullified, nullified) [VN] (formal)
1 to make sth such as an agreement or order lose its legal force
SYNINVALIDATE:
Judges were unwilling to nullify government decisions.
2 to make sth lose its effect or power
SYNNEGATE:
An unhealthy diet will nullify the effects of training.
