blur² v -rred, -rring [I,T] 1 to make the difference between two things less clear （使）〔两者区别〕不清晰: a type of movie that blurs the lines between reality and imagination 混淆现实与想像的一类电影 2 to become difficult to see clearly, or to make something difficult to see （使）模糊，（使）看不清楚: a mist blurring the outline of the distant hills 使远山的轮廓模糊了的薄雾