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verb [transitive] dull pronunciation in British English /dʌl/
Word Forms
present tense
present participledulling
past tensedulled
past participledulled
  1. 1
    to make someones mind slower or less able to understand, think, hear etc

    Fatigue had dulled her mind.

    His senses were dulled by drugs.

  2. 2
    to make a feeling weaker

    The drug can dull the pain, but not completely eliminate it.

  3. 3
    to make a sound weaker or less clear

    The carpet dulled the sound of their footsteps.


… a teaching method in which groups of children learn independently using a computer linked to the internet

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a derogatory word used for referring to people in the banking and investment industry who are thought of as taking serious risks in order to increase their own earnings …

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