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blur (EN)
verb, noun

verb “blur”

infinitive blur; he blurs; past tense blurred; past part. blurred; ger. blurring
  1. to make something look unclear or less distinct
    Tears blurred her vision, making it hard to see the road ahead.
  2. to become unclear or less distinct in appearance
    As tears filled her eyes, the words on the page blurred.
  3. to make it hard to tell things apart or see their differences
    His reaction blurred the lines between anger and sadness.
  4. to become hard to distinguish or differentiate
    As she grew older, the differences between dreams and reality blurred.
  5. to spread or cause to spread in a way that makes something dirty or less clear
    Crying over the letter, her tears blurred the ink, making it hard to read.
  6. (GUI) to move the input focus away from en element
    Clicking outside the text box blurred the input field, moving the focus to the next element on the page.

noun “blur”

singular blur, plural blurs or uncountable
  1. the process of making something visually unclear or fuzzy
    Through her tears, the entire world seemed like a blur.
  2. an object or view that is unclear or difficult to see clearly
    Through her tears, the entire world seemed like a blur.
  3. a mark left by spreading or smudging something
    After accidentally touching the wet painting, his finger left a blur on the canvas.