Answer: disintegrate

AnswerCrossword Clue
disintegrateBreak up into small parts, typically as the result of impact or decay
disintegrate(of a society, family, or other social group) Weaken or break apart
disintegrateto break or decompose into constituent elements, parts, or small particles
disintegrateUndergo or cause to undergo disintegration at a subatomic level
disintegrateDeteriorate mentally or physically