🌀 To make unclear 🌫️ A fuzzy shape 👀 To lose focus

to blur

3 3.7

To lose focus so that things look unclear

verb
/blɜr/

: nublarse

When it gets bad, your vision will blur and you'll find it hard to walk and talk.
blurred vision
blur the image

But those lines have completely blurred and they're also blurring.

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Examples

At first, Artus thought his vision was blurred by the tears of rage burning his eyes;

Fiction book (1992)
After staring at the bright lights for too long, my vision started to blur and I struggled to see clearly.
And then from here, I'll just again, you can kind of blur your eyes and look where the shadows are really standing out.
That stuff will blur your vision and slur your speech.

Planes (2013)
Her vision is still blurred.

Preacher's Kid (2010)
My vision was blurred, and my ears were ringing too loudly for me to think.

Fiction book (1991)
I have had acute migraine headaches and blurred vision since then.

Fletch Lives (1989)
Ipa's eyes began to blur and her lungs labored to breathe the sooty air.

Fiction book (1995)
Tough guys play through the pain, heading back onto the field even with blurred vision, throbbing temples, and stumbling steps.

Academic text (2011)
The intense headache caused my surroundings to blur, making it difficult to focus on anything.

Synonyms

to glaze over

vsto blur

13 5.3

Eyes look shiny and unfocused when a person is tired or bored

is a general loss of visual clarity not caused by tiredness

to unfocus

vsto blur

1 7.4

To make your eyes or attention less clear

is often an involuntary loss of visual clarity rather than a deliberate action

to film over

vsto blur

1 7.3

To become covered with a thin layer that makes eyes or glass look cloudy

is loss of sight clarity not necessarily caused by a surface coating

to blear

vsto blur

1 9.9

To make the edges of things look dim or blurred

is a change in sight itself rather than something done to it

to misfocus

vsto blur

Specialized

7.4

To make a photo or image blurry by not adjusting the camera lens

is a natural loss of sight clarity rather than a wrong optical adjustment

Antonyms

to focus

∞ 2.6

To direct attention or thoughts toward something specific

Phrasal Verbs

to blur the line

13 6.7

To make the difference between two things hard to see

How Blurry

to blind

97 3.7

to blur

3 3.7

to unfocus

1 7.4

Surface Forms

blur infinitive

blurred past

blurred past participle

blurring present participle

blurs third person singular

Etymology

When your eyes blur, the world looks smeared or soft; the old sense of a 'smear' helps explain why blur means your sight becomes unclear.