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crumble - definition and synonyms


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verb crumble pronunciation in American English /ˈkrʌmb(ə)l/
Word Forms
present tense
present participlecrumbling
past tensecrumbled
past participlecrumbled
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  1. 1
    [intransitive/transitive] to break something into very small pieces, or to be broken into very small pieces

    The soft earth of the riverbank crumbled under his feet.

    Synonyms and related words
    1. a.



      crumble away

      [intransitive] if something hard such as stone or a brick crumbles or crumbles away, parts of it fall off because it is very old or damaged

      Part of the roof had rotted away and the exposed plaster was beginning to crumble.

      Synonyms and related words


used to describe something which is done more carefully and over a longer period of time …

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the practice of giving birth in the presence of several friends and relatives

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