You searched for: “blurring
blur (verb), blurs; blurred; blurring
Making something unclear or difficult to see or to remember: The tears in Salina's eyes blurred the words on the page of the book that she was trying to read.

Although her novel is based on historical happenings, it blurs the distinctions between fact and fiction.

This entry is located in the following unit: English Words in Action, Group B (page 7)