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Definition of crumble verb from the Oxford Advanced Learner's Dictionary

crumble

verb
 
/ˈkrʌmbl/
 
/ˈkrʌmbl/
Verb Forms
present simple I / you / we / they crumble
 
/ˈkrʌmbl/
 
/ˈkrʌmbl/
he / she / it crumbles
 
/ˈkrʌmblz/
 
/ˈkrʌmblz/
past simple crumbled
 
/ˈkrʌmbld/
 
/ˈkrʌmbld/
past participle crumbled
 
/ˈkrʌmbld/
 
/ˈkrʌmbld/
-ing form crumbling
 
/ˈkrʌmblɪŋ/
 
/ˈkrʌmblɪŋ/
Idioms
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  1. [intransitive, transitive] to break or break something into very small pieces
    • Rice flour makes the cake less likely to crumble.
    • crumble something Crumble the cheese over the salad.
    • She crumbled the dry earth into fine powdery dust.
  2. [intransitive] if a building or piece of land is crumbling, parts of it are breaking off
    • buildings crumbling into dust
    • crumbling stonework
    • The cliff is gradually crumbling away.
    • They live in a crumbling old mansion.
    Topics Buildingsc2
  3. [intransitive] to begin to fail or get weaker or to come to an end
    • a crumbling business/relationship
    • crumble away All his hopes began to crumble away.
    • crumble into/to something The empire finally crumbled into dust.
    Topics Difficulty and failurec2
  4. Word Originlate Middle English: probably from an Old English word related to crumb.
Idioms
that’s the way the cookie crumbles
  1. (informal) that is the situation and we cannot change it, so we must accept it
See crumble in the Oxford Advanced American Dictionary
elaborate
adjective
 
 
From the Word list
Oxford 5000
C1
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