crumble - definition and synonyms

verb 

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/ˈkrʌmb(ə)l/
present tense
I/you/we/theycrumble
he/she/itcrumbles
present participlecrumbling
past tensecrumbled
past participlecrumbled
  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

      or

      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