taint

verb
1
to damage or harm the quality of something or the opinion that people have of somebody/something
لکه دار کردن, خدشه دار کردن, بدنام کردن
noun
1
the effect of something bad or unpleasant that damages or harms the quality of somebody/something
آلودگی, لکه, ننگ, بدنامی, خدشه