disintegrate

Synonyms: atomize break apart break down break up come apart crumble decay decline decompose degenerate deliquesce descend detach dilapidate disband disconnect disimprove dismantle disorganize disperse disunite divide fade away fall to pieces molder pulverize putrefy rot separate sever shatter sink splinter spoil taint take apart turn turn to dust wash away wash out wither worsen

Antonyms: combine meld unite