blur
Americanverb (used with object)
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to obscure or sully (something) by smearing or with a smeary substance.
The windows were blurred with soot.
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to obscure by making confused in form or outline; make indistinct.
The fog blurred the outline of the car.
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to dim the perception or susceptibility of; make dull or insensible.
The blow on the head blurred his senses.
verb (used without object)
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to become indistinct.
Everything blurred as she ran.
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to make blurs.
noun
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a smudge or smear that obscures.
a blur of smoke.
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a blurred condition; indistinctness.
They could see nothing in the foggy blur.
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something seen indistinctly.
The ship appeared as a blur against the horizon.
verb
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to make or become vague or less distinct
heat haze blurs the hills
education blurs class distinctions
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to smear or smudge
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(tr) to make (the judgment, memory, or perception) less clear; dim
noun
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something vague, hazy, or indistinct
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a smear or smudge
Other Word Forms
- blurred adjective
- blurredly adverb
- blurredness noun
- blurriness noun
- blurringly adverb
- blurry adjective
- unblurred adjective
Etymology
Origin of blur
First recorded in 1540–50; akin to blear
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
By creating well-designed products that blur the lines between work and enjoyment, Apple helped foster an emotional connection to the brand, he said.
From Los Angeles Times • Mar. 30, 2026
But the potlucks of my childhood blur together into a kind of beige collective memory.
From Salon • Mar. 15, 2026
Loot boxes are an in-game feature allowing players to buy random mystery items with real or virtual currency, but recent research has found they blur the line between gaming and gambling.
From BBC • Mar. 13, 2026
This exchange of genetic material between groups can blur the boundaries that scientists use to define species.
From Science Daily • Mar. 9, 2026
I watch the blur of him till we’re too far away for me to see.
From "The Manifestor Prophecy" by Angie Thomas
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
