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have been blurring

  • present perfect progressive
    of blur.
    blur
    verb (used with object)
    to obscure or sully (something) by smearing or with a smeary substance.

Example Sentences

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See Examples For:

Lines between theatrical and small-screen movies have been blurring for years, with lockdown/the pandemic making them blurrier.

From Los Angeles Times Jun. 22, 2023

Corporate research and academic research have been blurring together for some time.

From Time Jul. 3, 2014

Industry insiders have been noticing that the lines between fast food, fast casual, and casual dining have been blurring at least since last year.

From Time Jul. 19, 2013