incoherent

adj. inconsistent, disjointed, unconnected; disordered, unintelligible

Coherence or coherent can refer to:Coherence (cognitive science), a property of mental/cognitive statesCoherence (linguistics), what makes a text semantically meaningfulCoherence (physics), a property of wavesQuantum coherenceCoherence time (communications systems), duration when a communication channel can be assumed to be constant.Coherence (software), a component of Parallels Desktop for Mac, the Windows virtualization softwareCoherence (music theory), a synonym for strict Rothenberg propriety in diatonic set theoryMemory coherence, a concept in computer architectureCache coherenceCoherentism, an epistemological theoryCoherent (company), a company specializing in equipment to make and measure coherent lightCoherent (operating system), a UNIX clone operating system
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Incoherence Not understandable; disordered; without logical connection. See Schizophrenia. [more]Incoherent - Community and Resources

Adjective
1. without logical or meaningful connection; "a turgid incoherent presentation"
(antonym) coherent
(similar) confused, disconnected, disjointed, disordered, garbled, illogical, scattered, unconnected
(see-also) illogical, unlogical
2. unable to think or express your thoughts in a clear or orderly manner; "incoherent with grief"
(similar) irrational
3. unable to express yourself clearly or fluently; "felt tongue-tied with embarrassment"; "incoherent with grief"
(synonym) tongue-tied
(similar) inarticulate, unarticulate

adj. incoherent, disjointed, inconsistent, divided, rambling