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have lengthened

  • present perfect
    of lengthen.
    lengthen
    verb (used with object)
    to make longer; make greater in length.

Example Sentences

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Firetruck costs have more than doubled over the past decade and production delays have lengthened, with delivery times now stretching up to five years, Warren and Banks say in a statement accompanying the resolution.

From The Wall Street Journal Jul. 21, 2026

Detention times have lengthened, and whereas before deported people might be able to return, now there is scant chance of reentering the U.S.’s hyper-militarized border.

From Los Angeles Times Jun. 14, 2026

Freezing temperatures have lengthened the odds, even as international teams arrive in Turkey with equipment and rescue dogs to detect the scent of humans beneath the wreckage.

From Washington Post Feb. 9, 2023

Changes to make new-build public sector buildings more environmentally friendly have lengthened this process.

From BBC Aug. 4, 2022

That has been the task of my kindred, while the years have lengthened and the grass has grown.

From "The Fellowship of the Ring" by J.R.R. Tolkien