Disparate

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

Synonyms

• (composed of distinct elements): incongruous, mismatched, uncoordinated
• (markedly different): different, dissimilar, unalike
• (incapable of being compared): incommensurable