Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “blur”

blur

verb [I or T]     /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.Indistinct and invisible 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.Puzzle and confuseDifficult to understand
(Definition of blur verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of blur

Browse related topics

You are looking at an entry to do with Indistinct & invisible, but you might be interested in these topics from the Visible & invisible topic area:

More definitions for “blur”

Definitions of “blur” in other dictionaries

Word of the Day

closeness

the quality of knowing someone very well, liking them a lot, and wanting to spend a lot of time together

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More