AskDefine | Define blur

Dictionary Definition

blur n : a hazy or indistinct representation; "it happened so fast it was just a blur"; "he tried to clear his head of the whisky fuzz" [syn: fuzz]


1 become glassy; lose clear vision; "Her eyes glazed over from lack of sleep" [syn: film over, glaze over]
2 to make less distinct or clear; "The haze blurs the hills" [ant: focus]
3 make unclear, indistinct, or blurred; "Her remarks confused the debate"; "Their words obnubilate their intentions" [syn: confuse, obscure, obnubilate]
4 make a smudge on; soil by smudging [syn: smear, smudge, smutch]
5 make dim or indistinct; "The drug blurs my vision" [syn: blear] [ant: focus]
6 become vague or indistinct; "The distinction between the two theories blurred" [syn: dim, slur] [ant: focus] [also: blurring, blurred]

User Contributed Dictionary



Cognate with to blear, the verb is from the noun.


  • /blɜː/


  1. To make indistinct or hazy, to obscure or dim.
  2. To smear, stain or smudge.
  3. To become indistinct.


To make indistinct or hazy, to obscure or dim
To smear, stain or smudge
To become indistinct


  1. A smear, smudge or blot
  2. Something that appears hazy or indistinct

Derived terms


A smear, smudge or blot
Something that appears hazy or indistinct

Extensive Definition

Blur can refer to:

Unfocused imagery

"Blur" generally refers to the appearance of an unfocused image. See Defocus aberration, eyeglass prescription, lens and eye. Specific terms using this meaning of "Blur" include:
  • Bokeh, the appearance of out-of-focus areas from an image produced by a lens
  • Box blur, a graphic-art effect
  • Gaussian blur, a graphic-art effect
  • Motion blur, a photographic and optical effect
  • Shallow focus, a photographic technique where the subject is in focus and the background and foreground are blurred.



"blur" refers to the event when a GUI element loses focus.


Refers to the Phoenix Suns guard Leandro Barbosa


"BLUR" celebrates the place where our cultures, ideals, interests and aspirations intersect, blend and expand into something more complete.



  • Blur Studio, CGI animation company based in California
blur in German: Blur (Begriffsklärung)

Synonyms, Antonyms and Related Words

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