· fall apart; "the building crumbled after the explosion"; "Negotiations broke down"
Synonym(s): crumple, tumble, break_down, collapse
Hypernym(s): change_integrity
· break or fall apart into fragments; "The cookies crumbled"; "The Sphinx is crumbling"
Synonym(s): fall_apart
Hypernym(s): disintegrate
· fall into decay or ruin; "The unoccupied house started to decay"
Synonym(s): decay, dilapidate
Hypernym(s): change