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 began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He sat and stared at the white paper and chewed the pencil which should have been marring its whiteness with stinging paragraphs.
From A Man of Means by P. G. (Pelham Grenville) Wodehouse