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dumb - definition and synonyms


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adjective     dumb pronunciation in British English
Word Forms
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  1. 1
    informal stupid

    She’s so dumb she can’t even figure out her answering machine.

    You gave him your phone number? That was a dumb thing to do.

  2. 2
    mainly literary temporarily unable or unwilling to speak, especially because you are very shocked

    Some of the passengers were dumb with terror.

    be struck dumb:

    I was struck dumb by the clerk’s rudeness.

derived word

Open Dictionary


a rise in the level of a stream or river

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