Pronunciation

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Plain form
crumble

Third-person singular
crumbles

Past tense
crumbled

Past participle
crumbled

Present participle
crumbling

  1. When something crumbles, it breaks into small pieces and the whole thing falls apart.
    The wall crumbled when the car crashed into it.

Singular
crumble

Plural
crumbles

  1. (countable) A crumble is a dessert that came from Britain and is made up of fruits and flour.
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  NODES
Note 1