whitewash
noun
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.
In New York City, Chicago and Dallas local residents have been whitewashing inner-city billboards to obliterate the images of such products as cigarettes and Cognac.
From Time Magazine Archive
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