disparate

Short definition from Wiktionary

Adjective

1. 1
   Composed of inherently different or distinct elements; incongruous.
2. 2
   Essentially different; of different species, unlike but not opposed in pairs.
3. 3
   Utterly unlike; incapable of being compared; having no common ground.

Noun

1. 1
   Any of a group of unequal or dissimilar things.