incoherent

Lacking cohesion, connection, or harmony; not coherent.

Unable to think or express one's thoughts in a clear or orderly manner.

In geology, noting textures consisting of loose sediments which have never been cemented.

Without physical coherence or cohesion; loose; unconnected; not coalescing or uniting.

Without coherence or agreement; not properly related or coördinated;incongruous; inconsistent; inconsecutive: chiefly used of immaterial things.