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English definition of “blur”

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blur

noun [S] uk   /blɜːr/ us    /blɝː/
something that you cannot see clearly: If I don't wear my glasses, everything is just a blur. something that you cannot remember or understand clearly: It all happened so long ago that it's just a blur to me now. The last few days seem to have gone by in a blur.

blur

verb [I or T] uk   /blɜːr/ us    /blɝː/ (-rr-)
to (make something or someone) become difficult to see clearly: As she drifted into sleep, the doctor's face began to blur and fade. to make the difference between two things less clear, or to make it difficult to see the exact truth about something: This film blurs the line/distinction/boundary between reality and fantasy.
(Definition of blur from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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