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flash

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verb flash pronunciation in British English /flæʃ/
Word Forms
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present tense
I/you/we/theyflash
he/she/itflashes
present participleflashing
past tenseflashed
past participleflashed
  1. 1
    [intransitive] to shine brightly for a very short time, or to shine on and off very quickly

    Thunder roared and lightning flashed.

    His watch flashed in the sunlight.

    flashing neon signs

  2. 2
    [intransitive] to appear for a very short time and then quickly disappear
    flash across/by/on/past:

    The faces of Hollywood’s most glamorous stars flashed across the screen.

    1. a.
      [transitive] to communicate something very quickly and for a short time, for example a message, image, or look
      flash something across/on/to something:

      They flashed political slogans on the screen.

      Our nerves flash messages to the brain.

      flash someone something:

      Ted flashed me a huge grin and looked away.

    2. b.
      [intransitive] if a thought flashes across your mind, it comes and goes very quickly
      flash across/through/into:

      The thought that I might die flashed through my mind.

  3. 3
    [intransitive] to pass very quickly

    Traffic flashed past us in the other lane.

    The week seemed to flash by.

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