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have blackened

  • present perfect
    of blacken.
    blacken
    verb (used with object)
    to make black; darken.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The aggressive Plaskett fire overtook the Timber fire in size, and together they have blackened more than 50,000 acres.

From Los Angeles Times ● Sep. 2, 2026

Massive wildfires have blackened not only huge swaths of California, but also Greece, Algeria and Siberia, sending smoke over the North Pole for the first time on record.

From Seattle Times ● Aug. 24, 2021

The young artists working in Nosona Studios, which is in a crumbling former supermarket, have blackened the windows that overlook the old museum and, beyond, the oba’s palace.

From New York Times ● Jun. 23, 2021

But incidents at the SAE house near campus and other fraternities over the years have blackened the reputation of those fraternity brothers who adhere to their organizations’ missions and the MSU code of student conduct.

From Washington Times ● Jan. 24, 2018

It is covered in plastic, but fingerprints have blackened parts of it anyway.

From "Enrique's Journey" by Sonia Nazario