blemish
verb (used with object)
to destroy or diminish the perfection of.
Used to express a completed action that took place before another specific past action occurred.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Democratic and Republican lawmakers alike expressed the view that the latest breaches of White House security had blemished the storied agency, and several pressed for an independent inquiry into what went wrong.
From Washington Times ● Sep. 30, 2014