adjective🔗Share无效的, 作废的. That has been declared null"The teacher's announcement nullified the extra credit assignment. "老师的通知让额外的加分作业作废了。lawpoliticsgovernmentChat with AIVocabulary GamePractice Reading
adjective🔗Share失效的，作废的。 Whose value has been set to null"The student's answer was nullified because it was completely blank. "由于学生的答案完全是空白，因此该答案被判为无效。computingtechnicalvalueChat with AIVocabulary GamePractice Reading
verb🔗Share被废止，无效。 To make legally invalid."The contract has been nullified."合同已经被宣布无效了。lawgovernmentpoliticsChat with AIVocabulary GamePractice Reading
verb🔗Share使无效，废止。 To prevent from happening."The rain nullified our plans for a picnic in the park. "下雨把我们去公园野餐的计划泡汤了。actionlawpoliticsChat with AIVocabulary GamePractice Reading
verb🔗Share取消，使无效。 To make of no use or value; to cancel out."The heavy rain completely nullified our plans for a picnic. "大雨把我们野餐的计划彻底泡汤了。lawpoliticsactionChat with AIVocabulary GamePractice Reading
