
1) Baked good 2) Break down 3) Break into bits 4) Break into fragments 5) Break up 6) British dessert 7) British pastry 8) British sweet 9) British sweet course 10) British confection 11) British pudding 12) British cake 13) Cake from Europe 14) Cake from Britain 15) Change integrity 16) Collapse 17) Confection from Britain 
Found on 
https://www.crosswordclues.com/clue/crumble

1) Crumple 2) Decay 3) Decompose 4) Delapidate 5) Deteriorate 6) Disintegrate 7) Erode 8) Go to pieces 9) Go to pot 10) Molder 11) Rot 12) Rust 
Found on 
https://www.crosswordclues.com/clue/crumble

 A crumble, also known as a brown betty, is a dish of British origin that can be made in a sweet or savoury version, depending on ingredients used, although the sweet version is much more common. It also can be traced to American cuisine during the European colonization of the Americas. A sweet variety usually contains stewed fruit topped with a cr...
Found on 
http://en.wikipedia.org/wiki/Crumble

• (v. i.) To fall into small pieces; to break or part into small fragments; hence, to fall to decay or ruin; to become disintegrated; to perish. • (v. t.) To break into small pieces; to cause to fall in pieces.
Found on 
http://thinkexist.com/dictionary/meaning/crumble/
Crum'ble  intransitive verb  To fall into small pieces; to break or part into small fragments; hence, to fall to decay or ruin; to become disintegrated; to perish. « If the stone is brittle, it will 
 crumble and pass into the form of gravel. 
 Arbuthnot. » « The league depri...
Found on 
http://www.encyclo.co.uk/webster/C/195
Crum'ble  transitive verb [ 
 imperfect & past participle   Crumbled (-b'ld); 
 present participle & verbal noun   Crumbling (-bl?ng).] [ Dim. of 
 crumb , transitive verb , akin to D. 
 krimelen German 
 kr...meln .] To break into...
Found on 
http://www.encyclo.co.uk/webster/C/195

When a unit dies off in pieces from losing combat, now almost universally applied to all units in Age of Sigmar.
Found on 
http://www.lustria-online.com/threads/glossary-of-age-of-sigmar-abbreviatio

Crumble is British slang for old or senile people.
Found on 
http://www.probertencyclopaedia.com/browse/ZCA.HTM

[
v] - fall apart 2. [v] - break or fall apart into fragments
Found on 
http://www.webdictionary.co.uk/definition.php?query=crumble

To break into small pieces or crumbs.
Found on 
http://www.wrenscottage.com/kitchen/glossary.php
crumple verb fall apart; `the building crumbled after the explosion`; `Negotiations broke down`
Found on 
https://www.encyclo.co.uk/local/20974
  No exact match found.