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dull

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adjective dull pronunciation in American English /dʌl/ 
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adjectivedull
comparativeduller
superlativedullest

Related dictionary definitions

  1. 1
    boring, or not interesting

    a dull lecture

    Life in a small town can be very dull.

  2. 5
    a dull sound is low and not very clear

    There was a dull thud from the apartment above.

  3. 6
    not intelligent

    He really is one of the dullest boys in the class.

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