taint
noun
a trace of something bad, offensive, or harmful.
Used to describe an action that will be fully completed or achieved by a specific point in the future.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
We know you have waited 16 months to be at a full stadium of Saints fans getting behind the team and today's issues will have tainted that experience for a large number of you.
From BBC ● Aug. 23, 2021