blur the line

• blur the lines

blur the line (third-person singular simple present blurs the line, present participle blurring the line, simple past and past participle blurred the line)

1. (idiomatic, often followed by between) To minimize or erode the distinction between two things.
   • 2001 August 30, Tim Guest, “Working the web: Graphic novels”, in The Guardian‎:

     David Gaddis feels comics and animation are distinct forms. "Comics are still images you move through actively, whereas animations are images you sit back and experience passively," but even he admits web artists such as Demian 5 are blurring the line.

• “blur the line(s) (between people or things)” in Idioms and phrases, TheFreeDictionary.com, Huntingdon Valley, Pa.: Farlex, Inc., 2003–2023.