I. blur 1 /blɜː $ blɜːr/ BrE AmE noun [countable usually singular]
1 . a shape that you cannot see clearly
blur of
I saw the blur of the car as it passed in front of me.
The island was a blur through misty rain.
2 . something that you cannot remember clearly:
The days before the accident were a blur.
II. blur 2 BrE AmE verb ( past tense and past participle blurred , present participle blurring ) [intransitive and transitive]
[ Date: 1500-1600 ; Origin: Probably from blear ; ⇨ ↑ bleary ]
1 . to become difficult to see, or to make something difficult to see, because the edges are not clear:
The street lights were blurred by the fog.
Many of the details in the picture are blurred.
2 . to be unable to see clearly:
Tears blurred her eyes.
His vision was blurred.
3 . to make the difference between two ideas, subjects etc less clear:
His films blur the boundaries between fact and fiction.
The design of the conservatory is meant to blur the distinction between the house and the garden.
—blurry adjective :
a few blurry photos of their holiday
⇨ ↑ blurred