The Collaborative International Dictionary
Wiktionary
a. 1 Losing cohesion or unity. 2 (context psychology English) Having disorganized psychological and behavioral processes.
WordNet
adj. tending to cause breakup into constituent elements or parts [ant: integrative]
Wikipedia
Usage examples of "disintegrative".
The maltreatment of the human and canine bodies, and the crazy burial of the damaged Archaean specimens, were all of a piece with this apparent disintegrative madness.
I mean, something even more horrible than the usual things that occur to me, like that Rocky might be suffering from childhood disintegrative disorder, or that the mole on my right hip is growing and could turn into a two-hundred-pound tumor like the one that grew on that lady I saw on that documentary on the Discovery Health Channel called 200 Pound Tumor .