Definition of "crumble"

crumble

/ˈkɹʌmbəl/

verb
third-person singular simple present crumbles, present participle crumbling, simple past and past participle crumbled
1. (intransitive, often figurative) To fall apart; to disintegrate.
  Quotations
  Weren't you the one who tried to hurt me with goodbye? / Did you think I'd crumble? Did you think I'd lay down and die?
  1978, Dino Fekaris, Freddie Perren (lyrics and music), “I Will Survive”, in Love Tracks, performed by Gloria Gaynor
  In 1989, as communism was beginning to crumble across Eastern Europe, just a few months before protesters started pecking away at the Berlin Wall, the Japanese game-making giant Nintendo reached across the world to unleash upon America its own version of freedom.
  2012 April 4, Sam Anderson, “Just One More Game ...”, in The New York Times Magazine‎
2. (transitive) To break into crumbs.
3. (transitive) To mix (ingredients such as flour and butter) in such a way as to form crumbs.
noun
countable and uncountable, plural crumbles
1. A dessert of British origin containing stewed fruit topped with a crumbly mixture of fat, flour, and sugar.