Fundamentally distinct or different in kind; entirely dissimilar: "This mixture of apparently disparate materials—scandal and spiritualism, current events and eternal recurrences—is not promising on the face of it” ( Gary Wills).
Containing or composed of dissimilar or opposing elements: a disparate group of people who represented a cross section of the city.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.