mar
verb (used with object)
to damage or spoil to a certain extent; render less perfect, attractive, useful, etc.; impair or spoil.
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The little frown that had been marring the youth of her pretty brow smoothed itself away.
From Helbeck of Bannisdale β Volume II by Mrs. Humphry Ward