befoul
verb (used with object)
to make dirty or filthy; soil; defile; sully.
Used to describe an ongoing action or state that is currently taking place in the immediate present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
I protest against this nasty slime of hypocrisy which is befouling every part of our intellectual and national life.
From An Ocean Tramp by William McFee