Princeton's WordNet

1. blur, fuzz(verb)

   a hazy or indistinct representation

   "it happened so fast it was just a blur"; "he tried to clear his head of the whisky fuzz"

2. film over, glaze over, blur(verb)

   become glassy; lose clear vision

   "Her eyes glazed over from lack of sleep"

3. blur(verb)

   to make less distinct or clear

   "The haze blurs the hills"

4. confuse, blur, obscure, obnubilate(verb)

   make unclear, indistinct, or blurred

   "Her remarks confused the debate"; "Their words obnubilate their intentions"

5. smear, blur, smudge, smutch(verb)

   make a smudge on; soil by smudging

6. blur, blear(verb)

   make dim or indistinct

   "The fog blurs my vision"

7. blur, dim, slur(verb)

   become vague or indistinct

   "The distinction between the two theories blurred"

Kernerman English Learner's Dictionary

1. blur(verb)ɜr

   to make or become less clear to see

   to blur the pencil line with your finger; The image blurred and then focused again.

2. blurɜr

   to make a difference less obvious

   a game that blurs the line between real life and the computer world

Wiktionary

1. blur(Noun)

   A smear, smudge or blot

2. blur(Noun)

   Something that appears hazy or indistinct

3. blur(Verb)

   To make indistinct or hazy, to obscure or dim.

4. blur(Verb)

   To smear, stain or smudge.

5. blur(Verb)

   To become indistinct.

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

Webster Dictionary

1. Blur(verb)

   to render obscure by making the form or outline of confused and uncertain, as by soiling; to smear; to make indistinct and confused; as, to blur manuscript by handling it while damp; to blur the impression of a woodcut by an excess of ink

2. Blur(verb)

   to cause imperfection of vision in; to dim; to darken

3. Blur(verb)

   to sully; to stain; to blemish, as reputation

4. Blur(noun)

   that which obscures without effacing; a stain; a blot, as upon paper or other substance

5. Blur(noun)

   a dim, confused appearance; indistinctness of vision; as, to see things with a blur; it was all blur

6. Blur(noun)

   a moral stain or blot

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