blur

blur1 [ blɜr ] verb intransitive or transitive

1. ) if a thing blurs, or something blurs it, it becomes difficult to see it clearly, often because its edges are not clear:

With eyesight as poor as mine, faces blur into featureless ovals.

The paper had gotten wet and blurred the ink.

2. ) if something such as a memory or an idea has blurred, or something has blurred it, it is no longer clear in your mind:

Childhood recollections had blurred into a mix of reality and fantasy.

3. ) if the difference between two things blurs, or something blurs it, they become more similar, so that you are no longer sure that they are clearly different:

blur the line/difference/distinction between: a new commercial that blurs the line between art and advertising

blur

blur 2 [ blɜr ] noun count usually singular

1. ) a shape that is difficult to see clearly, for example because it is moving very fast:

in a blur: The racing cars moved past us in a blur.

blur of: a blur of activity/movement

2. ) something such as a thought or memory that is not very clear in your mind:

I remember there was a big house, but the rest of it was just a blur.