Disintegrative and Falling to pieces

Disintegrative adjective - Tending to cause breakup into constituent elements or parts.

Falling to pieces and disintegrative are semantically related. In some cases you can use "Falling to pieces" instead an adjective "Disintegrative".

Disintegrative and falling to pieces are semantically related. Sometimes you can use "Disintegrative" instead an adjective phrase "Falling to pieces".