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1. 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" (Garry Wills).
2. Containing or composed of dissimilar or opposing elements: a disparate group of people who represented a cross section of the city.
[Latin disparātus, past participle of disparāre, to separate : dis-, apart; see dis- + parāre, to prepare; see perə- in Indo-European roots.]