adulterated

基本解釋

And they got hold of the Gospel of Luke,and they adulterated it.
以及路加福音竝且篡改了它們。
耶魯公開課 - 新約課程節(jié)選

The fact is that Boris Yeltsin has in recent months adulterated the aggressive pursuit of structural reforms.
CENTERFORSECURITYPOLICY: Center For Security Policy
The president of the Electoral Court, Ivan Guzman de Rojas, ruled that all candidates elected from these adulterated lists would be disqualified.
ECONOMIST: Bolivia’s gender-bending politicians
In the 1980s, street heroin was so adulterated that injecting straight into the blood was the surest way to achieve a high.
ECONOMIST: Ending the war on drugs

If something such as food or drink is adulterated, someone has made its quality worse by adding water or cheaper products to it.