vitiate

• 动词，指损害、削弱或降低某事物的质量、效力或价值；也指使某事物在法律上无效或存在缺陷。

A verb meaning to spoil, impair, or reduce the quality or effectiveness of something; to make something legally invalid or defective.

1. C2formal

   To make something less effective, valid, or perfect; to spoil or impair its quality.

   损害或削弱

   • The inclusion of false data vitiated the entire research study.
   • His careless attitude vitiated all our efforts to complete the project.
   • A single error can vitiate a complex legal argument.

   同义词corruptdamagedebasedegradeimpairmarspoiltaintundermineweaken

   反义词enhanceimprovepurifystrengthen

2. Corrupt morallyC2formal

   To corrupt or debase someone or something morally.

   败坏道德

   • The pursuit of power vitiated his once noble character.
   • Greed vitiated the principles of the organization.
   • The constant exposure to violence vitiated the young man's sense of empathy.

   同义词corruptdebasedebauchdepravepervert

   反义词elevateennobleexaltpurify