DISPARATE

fundamentally distinct or dissimilar in quality or kind

"disparate ideas"

//containing or made up of fundamentally different and often incongruous elements
SYN - different

"What they didn't realize was most of their disagreement came from the fact that neither realized they were in fact talking about disparate concepts."

"Although connected in so many ways, both twins prided themselves on their disparate personaliies."

"After continually trying to make the disparate products combine, she gave up."

"They suffered from disparate methods of communication."