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1. A hazy or indistinct representation
   "it happened so fast it was just a blur";
   - fuzz

1. Become glassy; lose clear vision
   "Her eyes blurred from lack of sleep";
   - film over, glaze over
    
2. To make less distinct or clear
   "The haze blurs the hills"
    
3. Make unclear, indistinct, or blurred
   "Her remarks blurred the debate";
   - confuse, obscure, obnubilate
    
4. Make a smudge on; soil by smudging
   - smear, smudge, smutch
    
5. Make dim or indistinct
   "The fog blurs my vision";
   - blear [archaic]
    
6. Become vague or indistinct
   "The distinction between the two theories blurred";
   - dim, slur

Derived forms: blurred, blurring, blurs

Type of: alter, change, internal representation, mental representation, modify, representation, rub, weaken

Antonym: focalise [Brit], focus, sharpen

Encyclopedia: Blur