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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